290032 has 10 divisors (see below), whose sum is σ = 561968. Its totient is φ = 145008.

The previous prime is 290027. The next prime is 290033. The reversal of 290032 is 230092.

It is a super-2 number, since 2×290032² = 168237122048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 18127 = 290032 / (2 + 9 + 0 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 289988 and 290015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290033) by changing a digit.

290032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9048 + ... + 9079.

2²⁹⁰⁰³² is an apocalyptic number.

It is an amenable number.

290032 is a deficient number, since it is larger than the sum of its proper divisors (271936).

290032 is a wasteful number, since it uses less digits than its factorization.

290032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18135 (or 18129 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 290032 is about 538.5461911480. The cubic root of 290032 is about 66.1934940044.

The spelling of 290032 in words is "two hundred ninety thousand, thirty-two".