274816 has 32 divisors (see below), whose sum is σ = 581400. Its totient is φ = 129024.

The previous prime is 274811. The next prime is 274817. The reversal of 274816 is 618472.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376 + ... + 2488.

2²⁷⁴⁸¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290700).

274816 is an abundant number, since it is smaller than the sum of its proper divisors (306584).

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

274816 is a wasteful number, since it uses less digits than its factorization.

274816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 274816 is about 524.2289576130. The cubic root of 274816 is about 65.0150655414.

The spelling of 274816 in words is "two hundred seventy-four thousand, eight hundred sixteen".