1421600976 has 320 divisors, whose sum is σ = 4583833600. Its totient is φ = 419904000.

The previous prime is 1421600959. The next prime is 1421600987. The reversal of 1421600976 is 6790061241.

1421600976 is a `hidden beast` number, since 1 + 42 + 1 + 600 + 9 + 7 + 6 = 666.

1421600976 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1421600976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9414501 + ... + 9414651.

It is an arithmetic number, because the mean of its divisors is an integer number (14324480).

Almost surely, 2^1421600976 is an apocalyptic number.

1421600976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421600976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2291916800).

1421600976 is an abundant number, since it is smaller than the sum of its proper divisors (3162232624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421600976 is a wasteful number, since it uses less digits than its factorization.

1421600976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1421600976 is about 37704.1241245570. The cubic root of 1421600976 is about 1124.4131196723.

The spelling of 1421600976 in words is "one billion, four hundred twenty-one million, six hundred thousand, nine hundred seventy-six".