90418908 has 24 divisors (see below), whose sum is σ = 211131648. Its totient is φ = 30117616.

The previous prime is 90418883. The next prime is 90418919. The reversal of 90418908 is 80981409.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 29035 + ... + 31997.

It is an arithmetic number, because the mean of its divisors is an integer number (8797152).

Almost surely, 2^90418908 is an apocalyptic number.

It is an amenable number.

90418908 is an abundant number, since it is smaller than the sum of its proper divisors (120712740).

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

90418908 is a wasteful number, since it uses less digits than its factorization.

90418908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513 (or 5511 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 90418908 is about 9508.8857391389. The cubic root of 90418908 is about 448.8346936046.

The spelling of 90418908 in words is "ninety million, four hundred eighteen thousand, nine hundred eight".