90488904 has 32 divisors (see below), whose sum is σ = 246788640. Its totient is φ = 27420800.

The previous prime is 90488873. The next prime is 90488921. The reversal of 90488904 is 40988409.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171117 + ... + 171644.

It is an arithmetic number, because the mean of its divisors is an integer number (7712145).

Almost surely, 2^90488904 is an apocalyptic number.

It is an amenable number.

90488904 is an abundant number, since it is smaller than the sum of its proper divisors (156299736).

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

90488904 is a wasteful number, since it uses less digits than its factorization.

90488904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342781 (or 342777 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 90488904 is about 9512.5655845308. The cubic root of 90488904 is about 448.9504825494.

The spelling of 90488904 in words is "ninety million, four hundred eighty-eight thousand, nine hundred four".