90494064 has 40 divisors (see below), whose sum is σ = 259752720. Its totient is φ = 30164544.

The previous prime is 90494003. The next prime is 90494137. The reversal of 90494064 is 46049409.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 104307 + ... + 105170.

It is an arithmetic number, because the mean of its divisors is an integer number (6493818).

Almost surely, 2^90494064 is an apocalyptic number.

It is an amenable number.

90494064 is an abundant number, since it is smaller than the sum of its proper divisors (169258656).

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

90494064 is a wasteful number, since it uses less digits than its factorization.

90494064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209494 (or 209482 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 90494064 is about 9512.8368008707. The cubic root of 90494064 is about 448.9590159730.

The spelling of 90494064 in words is "ninety million, four hundred ninety-four thousand, sixty-four".