274988 has 36 divisors (see below), whose sum is σ = 593712. Its totient is φ = 110880.

The previous prime is 274973. The next prime is 274993. The reversal of 274988 is 889472.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274988.

It is an unprimeable number.

274988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4478 + ... + 4538.

It is an arithmetic number, because the mean of its divisors is an integer number (16492).

2²⁷⁴⁹⁸⁸ is an apocalyptic number.

274988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296856).

274988 is an abundant number, since it is smaller than the sum of its proper divisors (318724).

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

274988 is a wasteful number, since it uses less digits than its factorization.

274988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 93 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 274988 is about 524.3929824092. The cubic root of 274988 is about 65.0286264441.

The spelling of 274988 in words is "two hundred seventy-four thousand, nine hundred eighty-eight".