290684932 has 12 divisors (see below), whose sum is σ = 509615820. Its totient is φ = 145080416.

The previous prime is 290684869. The next prime is 290684941. The reversal of 290684932 is 239486092.

It can be written as a sum of positive squares in 2 ways, for example, as 84015556 + 206669376 = 9166^2 + 14376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63007 + ... + 67462.

It is an arithmetic number, because the mean of its divisors is an integer number (42467985).

Almost surely, 2^290684932 is an apocalyptic number.

It is an amenable number.

290684932 is a deficient number, since it is larger than the sum of its proper divisors (218930888).

290684932 is a wasteful number, since it uses less digits than its factorization.

290684932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131030 (or 131028 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 290684932 is about 17049.4848016003. The cubic root of 290684932 is about 662.4312928391.

The spelling of 290684932 in words is "two hundred ninety million, six hundred eighty-four thousand, nine hundred thirty-two".