274398 has 32 divisors (see below), whose sum is σ = 604800. Its totient is φ = 82656.

The previous prime is 274361. The next prime is 274403. The reversal of 274398 is 893472.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274398.

It is an unprimeable number.

274398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3265 + ... + 3347.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2²⁷⁴³⁹⁸ is an apocalyptic number.

274398 is an abundant number, since it is smaller than the sum of its proper divisors (330402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274398 is a wasteful number, since it uses less digits than its factorization.

274398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136.

The product of its digits is 12096, while the sum is 33.

The square root of 274398 is about 523.8301251360. The cubic root of 274398 is about 64.9820857930.

The spelling of 274398 in words is "two hundred seventy-four thousand, three hundred ninety-eight".