290484432 has 60 divisors (see below), whose sum is σ = 929092320. Its totient is φ = 82995264.

The previous prime is 290484431. The next prime is 290484437. The reversal of 290484432 is 234484092.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290484431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143082 + ... + 145097.

It is an arithmetic number, because the mean of its divisors is an integer number (15484872).

Almost surely, 2^290484432 is an apocalyptic number.

It is an amenable number.

290484432 is an abundant number, since it is smaller than the sum of its proper divisors (638607888).

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

290484432 is a wasteful number, since it uses less digits than its factorization.

290484432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288200 (or 288191 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 290484432 is about 17043.6038442578. The cubic root of 290484432 is about 662.2789537619.

The spelling of 290484432 in words is "two hundred ninety million, four hundred eighty-four thousand, four hundred thirty-two".