90803128 has 32 divisors (see below), whose sum is σ = 193006800. Its totient is φ = 39702528.

The previous prime is 90803113. The next prime is 90803159. The reversal of 90803128 is 82130809.

It is a self number, because there is not a number n which added to its sum of digits gives 90803128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21001 + ... + 24952.

Almost surely, 2^90803128 is an apocalyptic number.

It is an amenable number.

90803128 is an abundant number, since it is smaller than the sum of its proper divisors (102203672).

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

90803128 is a wasteful number, since it uses less digits than its factorization.

90803128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45991 (or 45987 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 90803128 is about 9529.0675304565. The cubic root of 90803128 is about 449.4695444974.

The spelling of 90803128 in words is "ninety million, eight hundred three thousand, one hundred twenty-eight".