90908112 has 80 divisors (see below), whose sum is σ = 255465792. Its totient is φ = 27740160.

The previous prime is 90908107. The next prime is 90908113. The reversal of 90908112 is 21180909.

It is a self number, because there is not a number n which added to its sum of digits gives 90908112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90908113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28687 + ... + 31697.

Almost surely, 2^90908112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90908112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127732896).

90908112 is an abundant number, since it is smaller than the sum of its proper divisors (164557680).

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

90908112 is a wasteful number, since it uses less digits than its factorization.

90908112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 90908112 is about 9534.5745578919. The cubic root of 90908112 is about 449.6426990935.

The spelling of 90908112 in words is "ninety million, nine hundred eight thousand, one hundred twelve".