290828169 has 24 divisors (see below), whose sum is σ = 445798080. Its totient is φ = 182304672.

The previous prime is 290828159. The next prime is 290828207. The reversal of 290828169 is 961828092.

It is not a de Polignac number, because 290828169 - 2⁵ = 290828137 is a prime.

It is a super-2 number, since 2×290828169² = 169162047767785122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290828159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (18574920).

Almost surely, 2^290828169 is an apocalyptic number.

It is an amenable number.

290828169 is a deficient number, since it is larger than the sum of its proper divisors (154969911).

290828169 is a wasteful number, since it uses less digits than its factorization.

290828169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901 (or 23898 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 290828169 is about 17053.6849097197. The cubic root of 290828169 is about 662.5400808313.

The spelling of 290828169 in words is "two hundred ninety million, eight hundred twenty-eight thousand, one hundred sixty-nine".