285292672 has 32 divisors (see below), whose sum is σ = 649552320. Its totient is φ = 122267904.

The previous prime is 285292661. The next prime is 285292703. The reversal of 285292672 is 276292582.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×285292672³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158308 + ... + 160099.

It is an arithmetic number, because the mean of its divisors is an integer number (20298510).

Almost surely, 2^285292672 is an apocalyptic number.

It is an amenable number.

285292672 is an abundant number, since it is smaller than the sum of its proper divisors (364259648).

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

285292672 is an equidigital number, since it uses as much as digits as its factorization.

285292672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318428 (or 318416 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 285292672 is about 16890.6089884290. The cubic root of 285292672 is about 658.3096259938.

The spelling of 285292672 in words is "two hundred eighty-five million, two hundred ninety-two thousand, six hundred seventy-two".