274881 has 8 divisors (see below), whose sum is σ = 372960. Its totient is φ = 180032.

The previous prime is 274871. The next prime is 274889. The reversal of 274881 is 188472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274881 - 2⁶ = 274817 is a prime.

It is a super-2 number, since 2×274881² = 151119128322, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274881.

It is not an unprimeable number, because it can be changed into a prime (274889) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 600 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (46620).

2²⁷⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

274881 is a deficient number, since it is larger than the sum of its proper divisors (98079).

274881 is a wasteful number, since it uses less digits than its factorization.

274881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its digits is 3584, while the sum is 30.

The square root of 274881 is about 524.2909497598. The cubic root of 274881 is about 65.0201909661.

Adding to 274881 its sum of digits (30), we get a triangular number (274911 = T₇₄₁).

The spelling of 274881 in words is "two hundred seventy-four thousand, eight hundred eighty-one".