290839161 has 16 divisors (see below), whose sum is σ = 397281024. Its totient is φ = 189199824.

The previous prime is 290839151. The next prime is 290839181. The reversal of 290839161 is 161938092.

It is not a de Polignac number, because 290839161 - 2¹⁵ = 290806393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290839121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14746 + ... + 28268.

It is an arithmetic number, because the mean of its divisors is an integer number (24830064).

Almost surely, 2^290839161 is an apocalyptic number.

It is an amenable number.

290839161 is a deficient number, since it is larger than the sum of its proper divisors (106441863).

290839161 is a wasteful number, since it uses less digits than its factorization.

290839161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 290839161 is about 17054.0071830640. The cubic root of 290839161 is about 662.5484277403.

The spelling of 290839161 in words is "two hundred ninety million, eight hundred thirty-nine thousand, one hundred sixty-one".