285252336 has 30 divisors (see below), whose sum is σ = 798310760. Its totient is φ = 95084064.

The previous prime is 285252329. The next prime is 285252343. The reversal of 285252336 is 633252582.

It is an interprime number because it is at equal distance from previous prime (285252329) and next prime (285252343).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 285252336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990316 + ... + 990603.

Almost surely, 2^285252336 is an apocalyptic number.

It is an amenable number.

285252336 is an abundant number, since it is smaller than the sum of its proper divisors (513058424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285252336 is a wasteful number, since it uses less digits than its factorization.

285252336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980933 (or 1980924 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 285252336 is about 16889.4149099369. The cubic root of 285252336 is about 658.2785995764.

The spelling of 285252336 in words is "two hundred eighty-five million, two hundred fifty-two thousand, three hundred thirty-six".