90008708 has 12 divisors (see below), whose sum is σ = 159673500. Its totient is φ = 44387712.

The previous prime is 90008707. The next prime is 90008741. The reversal of 90008708 is 80780009.

It can be written as a sum of positive squares in 2 ways, for example, as 26296384 + 63712324 = 5128^2 + 7982^2 .

It is not an unprimeable number, because it can be changed into a prime (90008701) 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 3 ways as a sum of consecutive naturals, for example, 153833 + ... + 154416.

It is an arithmetic number, because the mean of its divisors is an integer number (13306125).

Almost surely, 2^90008708 is an apocalyptic number.

It is an amenable number.

90008708 is a deficient number, since it is larger than the sum of its proper divisors (69664792).

90008708 is a wasteful number, since it uses less digits than its factorization.

90008708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308326 (or 308324 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 90008708 is about 9487.2919213019. The cubic root of 90008708 is about 448.1549275498.

The spelling of 90008708 in words is "ninety million, eight thousand, seven hundred eight".