90030108 has 24 divisors (see below), whose sum is σ = 240080512. Its totient is φ = 25722864.

The previous prime is 90030071. The next prime is 90030133. The reversal of 90030108 is 80103009.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 535810 + ... + 535977.

Almost surely, 2^90030108 is an apocalyptic number.

It is an amenable number.

90030108 is an abundant number, since it is smaller than the sum of its proper divisors (150050404).

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

90030108 is a wasteful number, since it uses less digits than its factorization.

90030108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071801 (or 1071799 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 90030108 is about 9488.4196787452. The cubic root of 90030108 is about 448.1904417265.

The spelling of 90030108 in words is "ninety million, thirty thousand, one hundred eight".