90576906 has 32 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 25812336.

The previous prime is 90576869. The next prime is 90576917. The reversal of 90576906 is 60967509.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15025 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (6486480).

Almost surely, 2^90576906 is an apocalyptic number.

90576906 is an abundant number, since it is smaller than the sum of its proper divisors (116990454).

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

90576906 is a wasteful number, since it uses less digits than its factorization.

90576906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 90576906 is about 9517.1900264732. The cubic root of 90576906 is about 449.0959727254.

The spelling of 90576906 in words is "ninety million, five hundred seventy-six thousand, nine hundred six".