90102484 has 12 divisors (see below), whose sum is σ = 165978400. Its totient is φ = 42680088.

The previous prime is 90102469. The next prime is 90102487. The reversal of 90102484 is 48420109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90102487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592704 + ... + 592855.

Almost surely, 2^90102484 is an apocalyptic number.

It is an amenable number.

90102484 is a deficient number, since it is larger than the sum of its proper divisors (75875916).

90102484 is a wasteful number, since it uses less digits than its factorization.

90102484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185582 (or 1185580 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 90102484 is about 9492.2328247889. The cubic root of 90102484 is about 448.3105109772.

The spelling of 90102484 in words is "ninety million, one hundred two thousand, four hundred eighty-four".