290568172 has 12 divisors (see below), whose sum is σ = 510735960. Its totient is φ = 144643616.

The previous prime is 290568163. The next prime is 290568181. The reversal of 290568172 is 271865092.

290568172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (290568163) and next prime (290568181).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159097 + ... + 160912.

It is an arithmetic number, because the mean of its divisors is an integer number (42561330).

Almost surely, 2^290568172 is an apocalyptic number.

It is an amenable number.

290568172 is a deficient number, since it is larger than the sum of its proper divisors (220167788).

290568172 is a wasteful number, since it uses less digits than its factorization.

290568172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320240 (or 320238 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 290568172 is about 17046.0603072968. The cubic root of 290568172 is about 662.3425875923.

The spelling of 290568172 in words is "two hundred ninety million, five hundred sixty-eight thousand, one hundred seventy-two".