390238 has 8 divisors (see below), whose sum is σ = 599760. Its totient is φ = 190320.

The previous prime is 390223. The next prime is 390263. The reversal of 390238 is 832093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2³⁹⁰²³⁸ is an apocalyptic number.

390238 is a deficient number, since it is larger than the sum of its proper divisors (209522).

390238 is a wasteful number, since it uses less digits than its factorization.

390238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 390238 is about 624.6903232803. The cubic root of 390238 is about 73.0762947883.

The spelling of 390238 in words is "three hundred ninety thousand, two hundred thirty-eight".