290371172 has 48 divisors (see below), whose sum is σ = 645614592. Its totient is φ = 111162240.

The previous prime is 290371117. The next prime is 290371181. The reversal of 290371172 is 271173092.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583 + ... + 24150.

It is an arithmetic number, because the mean of its divisors is an integer number (13450304).

Almost surely, 2^290371172 is an apocalyptic number.

It is an amenable number.

290371172 is an abundant number, since it is smaller than the sum of its proper divisors (355243420).

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

290371172 is a wasteful number, since it uses less digits than its factorization.

290371172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25788 (or 25786 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 290371172 is about 17040.2808662299. The cubic root of 290371172 is about 662.1928682935.

The spelling of 290371172 in words is "two hundred ninety million, three hundred seventy-one thousand, one hundred seventy-two".