531680976 has 40 divisors (see below), whose sum is σ = 1526122560. Its totient is φ = 177226848.

The previous prime is 531680951. The next prime is 531680987. The reversal of 531680976 is 679086135.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614940 + ... + 615803.

It is an arithmetic number, because the mean of its divisors is an integer number (38153064).

Almost surely, 2^531680976 is an apocalyptic number.

It is an amenable number.

531680976 is an abundant number, since it is smaller than the sum of its proper divisors (994441584).

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

531680976 is a wasteful number, since it uses less digits than its factorization.

531680976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230760 (or 1230748 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 531680976 is about 23058.2084299713. The cubic root of 531680976 is about 810.1219020922.

The spelling of 531680976 in words is "five hundred thirty-one million, six hundred eighty thousand, nine hundred seventy-six".