90030828 has 24 divisors (see below), whose sum is σ = 210544432. Its totient is φ = 29942784.

The previous prime is 90030823. The next prime is 90030883. The reversal of 90030828 is 82803009.

It is a junction number, because it is equal to n+sod(n) for n = 90030795 and 90030804.

It is not an unprimeable number, because it can be changed into a prime (90030823) 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, 2725 + ... + 13692.

Almost surely, 2^90030828 is an apocalyptic number.

It is an amenable number.

90030828 is an abundant number, since it is smaller than the sum of its proper divisors (120513604).

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

90030828 is a wasteful number, since it uses less digits than its factorization.

90030828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16881 (or 16879 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 90030828 is about 9488.4576196556. The cubic root of 90030828 is about 448.1916364981.

The spelling of 90030828 in words is "ninety million, thirty thousand, eight hundred twenty-eight".