274398923 has 4 divisors (see below), whose sum is σ = 278897328. Its totient is φ = 269900520.

The previous prime is 274398877. The next prime is 274398941. The reversal of 274398923 is 329893472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 274398923 - 2¹⁰ = 274397899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274398983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249111 + ... + 2249232.

It is an arithmetic number, because the mean of its divisors is an integer number (69724332).

Almost surely, 2^274398923 is an apocalyptic number.

274398923 is a deficient number, since it is larger than the sum of its proper divisors (4498405).

274398923 is an equidigital number, since it uses as much as digits as its factorization.

274398923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498404.

The product of its digits is 653184, while the sum is 47.

The square root of 274398923 is about 16564.9908843923. The cubic root of 274398923 is about 649.8215865361.

The spelling of 274398923 in words is "two hundred seventy-four million, three hundred ninety-eight thousand, nine hundred twenty-three".