980491656 has 64 divisors (see below), whose sum is σ = 2692454400. Its totient is φ = 296163648.

The previous prime is 980491651. The next prime is 980491663. The reversal of 980491656 is 656194089.

It is a super-2 number, since 2×980491656² = 1922727774971244672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980491651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36256 + ... + 57231.

It is an arithmetic number, because the mean of its divisors is an integer number (42069600).

Almost surely, 2^980491656 is an apocalyptic number.

It is an amenable number.

980491656 is an abundant number, since it is smaller than the sum of its proper divisors (1711962744).

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

980491656 is a wasteful number, since it uses less digits than its factorization.

980491656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93538 (or 93534 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 980491656 is about 31312.8033877518. The cubic root of 980491656 is about 993.4544681585.

The spelling of 980491656 in words is "nine hundred eighty million, four hundred ninety-one thousand, six hundred fifty-six".