285055684 has 12 divisors (see below), whose sum is σ = 507025708. Its totient is φ = 140191200.

The previous prime is 285055681. The next prime is 285055717. The reversal of 285055684 is 486550582.

It can be written as a sum of positive squares in 2 ways, for example, as 21902400 + 263153284 = 4680^2 + 16222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 285055684.

It is not an unprimeable number, because it can be changed into a prime (285055681) 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, 583887 + ... + 584374.

Almost surely, 2^285055684 is an apocalyptic number.

It is an amenable number.

285055684 is a deficient number, since it is larger than the sum of its proper divisors (221970024).

285055684 is a wasteful number, since it uses less digits than its factorization.

285055684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168326 (or 1168324 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The square root of 285055684 is about 16883.5921533304. The cubic root of 285055684 is about 658.1272931176.

The spelling of 285055684 in words is "two hundred eighty-five million, fifty-five thousand, six hundred eighty-four".