390268 has 12 divisors (see below), whose sum is σ = 699160. Its totient is φ = 190512.

The previous prime is 390263. The next prime is 390281. The reversal of 390268 is 862093.

It is a super-2 number, since 2×390268² = 304618223648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390263) 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, 963 + ... + 1306.

2³⁹⁰²⁶⁸ is an apocalyptic number.

It is an amenable number.

390268 is a deficient number, since it is larger than the sum of its proper divisors (308892).

390268 is a wasteful number, since it uses less digits than its factorization.

390268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 390268 is about 624.7143347163. The cubic root of 390268 is about 73.0781673487.

The spelling of 390268 in words is "three hundred ninety thousand, two hundred sixty-eight".