90435908 has 24 divisors (see below), whose sum is σ = 167952960. Its totient is φ = 42516320.

The previous prime is 90435901. The next prime is 90435911. The reversal of 90435908 is 80953409.

It is not an unprimeable number, because it can be changed into a prime (90435901) 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, 2903 + ... + 13758.

It is an arithmetic number, because the mean of its divisors is an integer number (6998040).

Almost surely, 2^90435908 is an apocalyptic number.

It is an amenable number.

90435908 is a deficient number, since it is larger than the sum of its proper divisors (77517052).

90435908 is a wasteful number, since it uses less digits than its factorization.

90435908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747 (or 16745 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 90435908 is about 9509.7795978666. The cubic root of 90435908 is about 448.8628208765.

The spelling of 90435908 in words is "ninety million, four hundred thirty-five thousand, nine hundred eight".