90008916 has 24 divisors (see below), whose sum is σ = 213465504. Its totient is φ = 29510880.

The previous prime is 90008911. The next prime is 90008923. The reversal of 90008916 is 61980009.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90008911) 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, 60750 + ... + 62213.

It is an arithmetic number, because the mean of its divisors is an integer number (8894396).

Almost surely, 2^90008916 is an apocalyptic number.

It is an amenable number.

90008916 is an abundant number, since it is smaller than the sum of its proper divisors (123456588).

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

90008916 is a wasteful number, since it uses less digits than its factorization.

90008916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123031 (or 123029 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 90008916 is about 9487.3028833278. The cubic root of 90008916 is about 448.1552727614.

The spelling of 90008916 in words is "ninety million, eight thousand, nine hundred sixteen".