290380 has 12 divisors (see below), whose sum is σ = 609840. Its totient is φ = 116144.

The previous prime is 290369. The next prime is 290383. The reversal of 290380 is 83092.

290380 is nontrivially palindromic in base 9.

It is not an unprimeable number, because it can be changed into a prime (290383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7240 + ... + 7279.

It is an arithmetic number, because the mean of its divisors is an integer number (50820).

2²⁹⁰³⁸⁰ is an apocalyptic number.

290380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290380 is an abundant number, since it is smaller than the sum of its proper divisors (319460).

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

290380 is a wasteful number, since it uses less digits than its factorization.

290380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528 (or 14526 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 290380 is about 538.8691863523. The cubic root of 290380 is about 66.2199578991.

The spelling of 290380 in words is "two hundred ninety thousand, three hundred eighty".