290542932 has 18 divisors (see below), whose sum is σ = 734428058. Its totient is φ = 96847632.

The previous prime is 290542913. The next prime is 290542949. The reversal of 290542932 is 239245092.

290542932 is a `hidden beast` number, since 29 + 0 + 542 + 93 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 270076356 + 20466576 = 16434^2 + 4524^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8070637 = 290542932 / (2 + 9 + 0 + 5 + 4 + 2 + 9 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4035283 + ... + 4035354.

Almost surely, 2^290542932 is an apocalyptic number.

It is an amenable number.

290542932 is an abundant number, since it is smaller than the sum of its proper divisors (443885126).

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

290542932 is a wasteful number, since it uses less digits than its factorization.

290542932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070647 (or 8070642 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 290542932 is about 17045.3199441958. The cubic root of 290542932 is about 662.3234090626.

The spelling of 290542932 in words is "two hundred ninety million, five hundred forty-two thousand, nine hundred thirty-two".