90447908 has 12 divisors (see below), whose sum is σ = 158995200. Its totient is φ = 45020712.

The previous prime is 90447899. The next prime is 90447911. The reversal of 90447908 is 80974409.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49808 + ... + 51591.

It is an arithmetic number, because the mean of its divisors is an integer number (13249600).

Almost surely, 2^90447908 is an apocalyptic number.

It is an amenable number.

90447908 is a deficient number, since it is larger than the sum of its proper divisors (68547292).

90447908 is a wasteful number, since it uses less digits than its factorization.

90447908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101626 (or 101624 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 90447908 is about 9510.4105063872. The cubic root of 90447908 is about 448.8826732993.

The spelling of 90447908 in words is "ninety million, four hundred forty-seven thousand, nine hundred eight".