274393 has 4 divisors (see below), whose sum is σ = 313600. Its totient is φ = 235188.

The previous prime is 274361. The next prime is 274403. The reversal of 274393 is 393472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 274393 - 2⁵ = 274361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19593 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (78400).

2²⁷⁴³⁹³ is an apocalyptic number.

It is an amenable number.

274393 is a deficient number, since it is larger than the sum of its proper divisors (39207).

274393 is an equidigital number, since it uses as much as digits as its factorization.

274393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39206.

The product of its digits is 4536, while the sum is 28.

The square root of 274393 is about 523.8253525747. The cubic root of 274393 is about 64.9816910958.

The spelling of 274393 in words is "two hundred seventy-four thousand, three hundred ninety-three".