390274 has 4 divisors (see below), whose sum is σ = 585414. Its totient is φ = 195136.

The previous prime is 390263. The next prime is 390281. The reversal of 390274 is 472093.

390274 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472093 = 19 ⋅24847.

It can be written as a sum of positive squares in only one way, i.e., 257049 + 133225 = 507^2 + 365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97567 + ... + 97570.

2³⁹⁰²⁷⁴ is an apocalyptic number.

390274 is a deficient number, since it is larger than the sum of its proper divisors (195140).

390274 is a wasteful number, since it uses less digits than its factorization.

390274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195139.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 390274 is about 624.7191368927. The cubic root of 390274 is about 73.0785418492.

The spelling of 390274 in words is "three hundred ninety thousand, two hundred seventy-four".