290956064 has 24 divisors (see below), whose sum is σ = 654651648. Its totient is φ = 124695360.

The previous prime is 290956021. The next prime is 290956067. The reversal of 290956064 is 460659092.

290956064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (290956067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649232 + ... + 649679.

It is an arithmetic number, because the mean of its divisors is an integer number (27277152).

Almost surely, 2^290956064 is an apocalyptic number.

It is an amenable number.

290956064 is an abundant number, since it is smaller than the sum of its proper divisors (363695584).

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

290956064 is a wasteful number, since it uses less digits than its factorization.

290956064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298928 (or 1298920 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 290956064 is about 17057.4342736532. The cubic root of 290956064 is about 662.6371864473.

The spelling of 290956064 in words is "two hundred ninety million, nine hundred fifty-six thousand, sixty-four".