290920896 has 140 divisors (see below), whose sum is σ = 985700848. Its totient is φ = 83109888.

The previous prime is 290920853. The next prime is 290920943. The reversal of 290920896 is 698029092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32280 + ... + 40296.

Almost surely, 2^290920896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290920896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492850424).

290920896 is an abundant number, since it is smaller than the sum of its proper divisors (694779952).

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

290920896 is an equidigital number, since it uses as much as digits as its factorization.

290920896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048 (or 8029 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 290920896 is about 17056.4033723408. The cubic root of 290920896 is about 662.6104876127.

The spelling of 290920896 in words is "two hundred ninety million, nine hundred twenty thousand, eight hundred ninety-six".