90859928 has 16 divisors (see below), whose sum is σ = 171116280. Its totient is φ = 45228928.

The previous prime is 90859921. The next prime is 90859931. The reversal of 90859928 is 82995809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90859921) by changing a digit.

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, 23201 + ... + 26832.

Almost surely, 2^90859928 is an apocalyptic number.

It is an amenable number.

90859928 is a deficient number, since it is larger than the sum of its proper divisors (80256352).

90859928 is a wasteful number, since it uses less digits than its factorization.

90859928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50266 (or 50262 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 90859928 is about 9532.0474191015. The cubic root of 90859928 is about 449.5632437245.

The spelling of 90859928 in words is "ninety million, eight hundred fifty-nine thousand, nine hundred twenty-eight".