285274 has 8 divisors (see below), whose sum is σ = 466848. Its totient is φ = 129660.

The previous prime is 285251. The next prime is 285281. The reversal of 285274 is 472582.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6462 + ... + 6505.

It is an arithmetic number, because the mean of its divisors is an integer number (58356).

2²⁸⁵²⁷⁴ is an apocalyptic number.

285274 is a deficient number, since it is larger than the sum of its proper divisors (181574).

285274 is a wasteful number, since it uses less digits than its factorization.

285274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980.

The product of its digits is 4480, while the sum is 28.

The square root of 285274 is about 534.1104754636. The cubic root of 285274 is about 65.8295263871.

It can be divided in two parts, 2852 and 74, that added together give a triangular number (2926 = T₇₆).

The spelling of 285274 in words is "two hundred eighty-five thousand, two hundred seventy-four".