290804532 has 24 divisors (see below), whose sum is σ = 680123136. Its totient is φ = 96709248.

The previous prime is 290804531. The next prime is 290804543. The reversal of 290804532 is 235408092.

It is a happy number.

290804532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 290804493 and 290804502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290804531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22788 + ... + 33179.

It is an arithmetic number, because the mean of its divisors is an integer number (28338464).

Almost surely, 2^290804532 is an apocalyptic number.

It is an amenable number.

290804532 is an abundant number, since it is smaller than the sum of its proper divisors (389318604).

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

290804532 is a wasteful number, since it uses less digits than its factorization.

290804532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56407 (or 56405 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 290804532 is about 17052.9918782600. The cubic root of 290804532 is about 662.5221310751.

The spelling of 290804532 in words is "two hundred ninety million, eight hundred four thousand, five hundred thirty-two".