274985 has 8 divisors (see below), whose sum is σ = 337920. Its totient is φ = 214704.

The previous prime is 274973. The next prime is 274993. The reversal of 274985 is 589472.

274985 = 58² + 59² + ... + 100².

It is a happy number.

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 274985 - 2¹⁶ = 209449 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274985.

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 7 ways as a sum of consecutive naturals, for example, 425 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (42240).

2²⁷⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

274985 is a deficient number, since it is larger than the sum of its proper divisors (62935).

274985 is a wasteful number, since it uses less digits than its factorization.

274985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its digits is 20160, while the sum is 35.

The square root of 274985 is about 524.3901219512. The cubic root of 274985 is about 65.0283899652.

The spelling of 274985 in words is "two hundred seventy-four thousand, nine hundred eighty-five".