274656 has 24 divisors (see below), whose sum is σ = 721224. Its totient is φ = 91520.

The previous prime is 274627. The next prime is 274661. The reversal of 274656 is 656472.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (30051).

2²⁷⁴⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

274656 is an abundant number, since it is smaller than the sum of its proper divisors (446568).

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

274656 is a wasteful number, since it uses less digits than its factorization.

274656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2866 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 274656 is about 524.0763303184. The cubic root of 274656 is about 65.0024456673.

The spelling of 274656 in words is "two hundred seventy-four thousand, six hundred fifty-six".