1421834688 has 56 divisors (see below), whose sum is σ = 4179935760. Its totient is φ = 473944320.

The previous prime is 1421834681. The next prime is 1421834699. The reversal of 1421834688 is 8864381241.

1421834688 is a `hidden beast` number, since 1 + 4 + 2 + 183 + 468 + 8 = 666.

It is a super-2 number, since 2×1421834688² = 4043227760000114688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421834681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409683 + ... + 413138.

It is an arithmetic number, because the mean of its divisors is an integer number (74641710).

Almost surely, 2^1421834688 is an apocalyptic number.

1421834688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1421834688 is an abundant number, since it is smaller than the sum of its proper divisors (2758101072).

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

1421834688 is an equidigital number, since it uses as much as digits as its factorization.

1421834688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822842 (or 822826 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 1421834688 is about 37707.2232867921. The cubic root of 1421834688 is about 1124.4747343457.

The spelling of 1421834688 in words is "one billion, four hundred twenty-one million, eight hundred thirty-four thousand, six hundred eighty-eight".