285338672 has 40 divisors (see below), whose sum is σ = 571461936. Its totient is φ = 137915136.

The previous prime is 285338629. The next prime is 285338681. The reversal of 285338672 is 276833582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95018 + ... + 97974.

Almost surely, 2^285338672 is an apocalyptic number.

It is an amenable number.

285338672 is an abundant number, since it is smaller than the sum of its proper divisors (286123264).

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

285338672 is a wasteful number, since it uses less digits than its factorization.

285338672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 285338672 is about 16891.9706369624. The cubic root of 285338672 is about 658.3450055863.

The spelling of 285338672 in words is "two hundred eighty-five million, three hundred thirty-eight thousand, six hundred seventy-two".