90369808 has 20 divisors (see below), whose sum is σ = 176170768. Its totient is φ = 44906400.

The previous prime is 90369803. The next prime is 90369809. The reversal of 90369808 is 80896309.

It is not an unprimeable number, because it can be changed into a prime (90369803) 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, 14718 + ... + 19933.

Almost surely, 2^90369808 is an apocalyptic number.

It is an amenable number.

90369808 is a deficient number, since it is larger than the sum of its proper divisors (85800960).

90369808 is a wasteful number, since it uses less digits than its factorization.

90369808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34822 (or 34816 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 90369808 is about 9506.3035928798. The cubic root of 90369808 is about 448.7534356236.

The spelling of 90369808 in words is "ninety million, three hundred sixty-nine thousand, eight hundred eight".