274806 has 32 divisors (see below), whose sum is σ = 698880. Its totient is φ = 78408.

The previous prime is 274787. The next prime is 274811. The reversal of 274806 is 608472.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 274806.

It is a congruent number.

It is an unprimeable number.

274806 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 15 ways as a sum of consecutive naturals, for example, 15 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2²⁷⁴⁸⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349440).

274806 is an abundant number, since it is smaller than the sum of its proper divisors (424074).

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

274806 is a wasteful number, since it uses less digits than its factorization.

274806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 274806 is about 524.2194197090. The cubic root of 274806 is about 65.0142769428.

The spelling of 274806 in words is "two hundred seventy-four thousand, eight hundred six".