90196008 has 64 divisors (see below), whose sum is σ = 263208960. Its totient is φ = 25219776.

The previous prime is 90195997. The next prime is 90196009. The reversal of 90196008 is 80069109.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90196008.

It is not an unprimeable number, because it can be changed into a prime (90196009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2185 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^90196008 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 90196008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131604480).

90196008 is an abundant number, since it is smaller than the sum of its proper divisors (173012952).

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

90196008 is a wasteful number, since it uses less digits than its factorization.

90196008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486 (or 11482 counting only the distinct ones).

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

The square root of 90196008 is about 9497.1578906534. The cubic root of 90196008 is about 448.4655688331.

The spelling of 90196008 in words is "ninety million, one hundred ninety-six thousand, eight".