285352312 has 32 divisors (see below), whose sum is σ = 612097920. Its totient is φ = 122168160.

The previous prime is 285352307. The next prime is 285352349. The reversal of 285352312 is 213253582.

It is a congruent number.

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, 70323 + ... + 74269.

It is an arithmetic number, because the mean of its divisors is an integer number (19128060).

Almost surely, 2^285352312 is an apocalyptic number.

It is an amenable number.

285352312 is an abundant number, since it is smaller than the sum of its proper divisors (326745608).

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

285352312 is a wasteful number, since it uses less digits than its factorization.

285352312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251 (or 5247 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 285352312 is about 16892.3743742554. The cubic root of 285352312 is about 658.3554956736.

The spelling of 285352312 in words is "two hundred eighty-five million, three hundred fifty-two thousand, three hundred twelve".