274990 has 16 divisors (see below), whose sum is σ = 501552. Its totient is φ = 108544.

The previous prime is 274973. The next prime is 274993. The reversal of 274990 is 99472.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274993) by changing a digit.

274990 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 7 ways as a sum of consecutive naturals, for example, 942 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (31347).

2²⁷⁴⁹⁹⁰ is an apocalyptic number.

274990 is a deficient number, since it is larger than the sum of its proper divisors (226562).

274990 is a wasteful number, since it uses less digits than its factorization.

274990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 274990 is about 524.3948893725. The cubic root of 274990 is about 65.0287840958.

The spelling of 274990 in words is "two hundred seventy-four thousand, nine hundred ninety".