285675244 has 6 divisors (see below), whose sum is σ = 499931684. Its totient is φ = 142837620.

The previous prime is 285675223. The next prime is 285675251. The reversal of 285675244 is 442576582.

It is a happy number.

It is a super-2 number, since 2×285675244² = 163220690068919072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285675244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35709402 + ... + 35709409.

Almost surely, 2^285675244 is an apocalyptic number.

It is an amenable number.

285675244 is a deficient number, since it is larger than the sum of its proper divisors (214256440).

285675244 is a wasteful number, since it uses less digits than its factorization.

285675244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71418815 (or 71418813 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 285675244 is about 16901.9301856326. The cubic root of 285675244 is about 658.6037547524.

The spelling of 285675244 in words is "two hundred eighty-five million, six hundred seventy-five thousand, two hundred forty-four".