274356 has 18 divisors (see below), whose sum is σ = 693602. Its totient is φ = 91440.

The previous prime is 274349. The next prime is 274357. The reversal of 274356 is 653472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 8100 = 516^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274357) by changing a digit.

274356 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 5 ways as a sum of consecutive naturals, for example, 3775 + ... + 3846.

274356 is a Friedman number, since it can be written as 5/(2/76)^3-4, using all its digits and the basic arithmetic operations.

2²⁷⁴³⁵⁶ is an apocalyptic number.

It is an amenable number.

274356 is an abundant number, since it is smaller than the sum of its proper divisors (419246).

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

274356 is a wasteful number, since it uses less digits than its factorization.

274356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631 (or 7626 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 274356 is about 523.7900342695. The cubic root of 274356 is about 64.9787701871.

It can be divided in two parts, 274 and 356, that added together give a triangular number (630 = T₃₅).

The spelling of 274356 in words is "two hundred seventy-four thousand, three hundred fifty-six".