390275 has 12 divisors (see below), whose sum is σ = 493272. Its totient is φ = 306240.

The previous prime is 390263. The next prime is 390281. The reversal of 390275 is 572093.

It is not a de Polignac number, because 390275 - 2⁶ = 390211 is a prime.

It is a super-3 number, since 3×390275³ = 178333713006140625, which contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (41106).

2³⁹⁰²⁷⁵ is an apocalyptic number.

390275 is a deficient number, since it is larger than the sum of its proper divisors (102997).

390275 is a wasteful number, since it uses less digits than its factorization.

390275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 390275 is about 624.7199372519. The cubic root of 390275 is about 73.0786042656.

The spelling of 390275 in words is "three hundred ninety thousand, two hundred seventy-five".