90908108 has 6 divisors (see below), whose sum is σ = 159089196. Its totient is φ = 45454052.

The previous prime is 90908107. The next prime is 90908113. The reversal of 90908108 is 80180909.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90908107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363510 + ... + 11363517.

It is an arithmetic number, because the mean of its divisors is an integer number (26514866).

Almost surely, 2^90908108 is an apocalyptic number.

It is an amenable number.

90908108 is a deficient number, since it is larger than the sum of its proper divisors (68181088).

90908108 is a wasteful number, since it uses less digits than its factorization.

90908108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22727031 (or 22727029 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 90908108 is about 9534.5743481290. The cubic root of 90908108 is about 449.6426924987.

The spelling of 90908108 in words is "ninety million, nine hundred eight thousand, one hundred eight".