285088488 has 32 divisors (see below), whose sum is σ = 718169760. Its totient is φ = 94303040.

The previous prime is 285088481. The next prime is 285088541. The reversal of 285088488 is 884880582.

It is a happy number.

It is a super-2 number, since 2×285088488² = 162550891980252288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285088488.

It is not an unprimeable number, because it can be changed into a prime (285088481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42195 + ... + 48482.

It is an arithmetic number, because the mean of its divisors is an integer number (22442805).

Almost surely, 2^285088488 is an apocalyptic number.

It is an amenable number.

285088488 is an abundant number, since it is smaller than the sum of its proper divisors (433081272).

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

285088488 is a wasteful number, since it uses less digits than its factorization.

285088488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90817 (or 90813 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 51.

The square root of 285088488 is about 16884.5636011121. The cubic root of 285088488 is about 658.1525377521.

The spelling of 285088488 in words is "two hundred eighty-five million, eighty-eight thousand, four hundred eighty-eight".