1490683216 has 60 divisors (see below), whose sum is σ = 3361448916. Its totient is φ = 637711360.

The previous prime is 1490683177. The next prime is 1490683223. The reversal of 1490683216 is 6123860941.

It can be written as a sum of positive squares in 2 ways, for example, as 1063020816 + 427662400 = 32604^2 + 20680^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10266 + ... + 55558.

Almost surely, 2^1490683216 is an apocalyptic number.

1490683216 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 1490683216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680724458).

1490683216 is an abundant number, since it is smaller than the sum of its proper divisors (1870765700).

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

1490683216 is a wasteful number, since it uses less digits than its factorization.

1490683216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45340 (or 45323 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1490683216 is about 38609.3669463771. The cubic root of 1490683216 is about 1142.3393063883.

The spelling of 1490683216 in words is "one billion, four hundred ninety million, six hundred eighty-three thousand, two hundred sixteen".