90802928 has 40 divisors (see below), whose sum is σ = 181226496. Its totient is φ = 44049600.

The previous prime is 90802927. The next prime is 90802931. The reversal of 90802928 is 82920809.

It is a junction number, because it is equal to n+sod(n) for n = 90802891 and 90802900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90802927) 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 7 ways as a sum of consecutive naturals, for example, 131063 + ... + 131753.

Almost surely, 2^90802928 is an apocalyptic number.

It is an amenable number.

90802928 is a deficient number, since it is larger than the sum of its proper divisors (90423568).

90802928 is a wasteful number, since it uses less digits than its factorization.

90802928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 90802928 is about 9529.0570362445. The cubic root of 90802928 is about 449.4692145015.

The spelling of 90802928 in words is "ninety million, eight hundred two thousand, nine hundred twenty-eight".