90870488 has 16 divisors (see below), whose sum is σ = 170577360. Its totient is φ = 45383200.

The previous prime is 90870469. The next prime is 90870497. The reversal of 90870488 is 88407809.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (10661085).

Almost surely, 2^90870488 is an apocalyptic number.

It is an amenable number.

90870488 is a deficient number, since it is larger than the sum of its proper divisors (79706872).

90870488 is a wasteful number, since it uses less digits than its factorization.

90870488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018 (or 13014 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 90870488 is about 9532.6013238780. The cubic root of 90870488 is about 449.5806595574.

The spelling of 90870488 in words is "ninety million, eight hundred seventy thousand, four hundred eighty-eight".