90992928 has 48 divisors (see below), whose sum is σ = 257233536. Its totient is φ = 27997440.

The previous prime is 90992917. The next prime is 90992929. The reversal of 90992928 is 82929909.

90992928 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (90992929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35208 + ... + 37703.

It is an arithmetic number, because the mean of its divisors is an integer number (5359032).

Almost surely, 2^90992928 is an apocalyptic number.

It is an amenable number.

90992928 is an abundant number, since it is smaller than the sum of its proper divisors (166240608).

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

90992928 is a wasteful number, since it uses less digits than its factorization.

90992928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72937 (or 72929 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 90992928 is about 9539.0213334493. The cubic root of 90992928 is about 449.7824924155.

The spelling of 90992928 in words is "ninety million, nine hundred ninety-two thousand, nine hundred twenty-eight".