90806088 has 32 divisors (see below), whose sum is σ = 228168000. Its totient is φ = 30115008.

The previous prime is 90806081. The next prime is 90806117. The reversal of 90806088 is 88060809.

It is not an unprimeable number, because it can be changed into a prime (90806081) 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 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 14282.

It is an arithmetic number, because the mean of its divisors is an integer number (7130250).

Almost surely, 2^90806088 is an apocalyptic number.

It is an amenable number.

90806088 is an abundant number, since it is smaller than the sum of its proper divisors (137361912).

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

90806088 is a wasteful number, since it uses less digits than its factorization.

90806088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221 (or 19217 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 90806088 is about 9529.2228434432. Note that the first 3 decimals coincide. The cubic root of 90806088 is about 449.4744283798.

The spelling of 90806088 in words is "ninety million, eight hundred six thousand, eighty-eight".