274390 has 16 divisors (see below), whose sum is σ = 515808. Its totient is φ = 104896.

The previous prime is 274361. The next prime is 274403. The reversal of 274390 is 93472.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (32238).

2²⁷⁴³⁹⁰ is an apocalyptic number.

274390 is a deficient number, since it is larger than the sum of its proper divisors (241418).

274390 is a wasteful number, since it uses less digits than its factorization.

274390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

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

The square root of 274390 is about 523.8224890170. The cubic root of 274390 is about 64.9814542751.

The spelling of 274390 in words is "two hundred seventy-four thousand, three hundred ninety".