285496 has 16 divisors (see below), whose sum is σ = 541440. Its totient is φ = 141120.

The previous prime is 285473. The next prime is 285497. The reversal of 285496 is 694582.

285496 = 126² + 127² + ... + 141².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (33840).

2²⁸⁵⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

285496 is a deficient number, since it is larger than the sum of its proper divisors (255944).

285496 is a wasteful number, since it uses less digits than its factorization.

285496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 285496 is about 534.3182572213. The cubic root of 285496 is about 65.8465981211.

The spelling of 285496 in words is "two hundred eighty-five thousand, four hundred ninety-six".