290938 has 16 divisors (see below), whose sum is σ = 475200. Its totient is φ = 133056.

The previous prime is 290923. The next prime is 290959. The reversal of 290938 is 839092.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2²⁹⁰⁹³⁸ is an apocalyptic number.

290938 is a deficient number, since it is larger than the sum of its proper divisors (184262).

290938 is a wasteful number, since it uses less digits than its factorization.

290938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 290938 is about 539.3866887494. The cubic root of 290938 is about 66.2623472892.

The spelling of 290938 in words is "two hundred ninety thousand, nine hundred thirty-eight".