274986 has 12 divisors (see below), whose sum is σ = 595842. Its totient is φ = 91656.

The previous prime is 274973. The next prime is 274993. The reversal of 274986 is 689472.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 5625 = 519^2 + 75^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 274986.

It is an unprimeable 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 5 ways as a sum of consecutive naturals, for example, 7621 + ... + 7656.

2²⁷⁴⁹⁸⁶ is an apocalyptic number.

274986 is an abundant number, since it is smaller than the sum of its proper divisors (320856).

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

274986 is a wasteful number, since it uses less digits than its factorization.

274986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285 (or 15282 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 274986 is about 524.3910754389. The cubic root of 274986 is about 65.0284687917.

The spelling of 274986 in words is "two hundred seventy-four thousand, nine hundred eighty-six".