89490064 has 10 divisors (see below), whose sum is σ = 173387030. Its totient is φ = 44745024.

The previous prime is 89490061. The next prime is 89490073. The reversal of 89490064 is 46009498.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 41990400 = 6892^2 + 6480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89489999 and 89490026.

It is not an unprimeable number, because it can be changed into a prime (89490061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2796549 + ... + 2796580.

It is an arithmetic number, because the mean of its divisors is an integer number (17338703).

Almost surely, 2^89490064 is an apocalyptic number.

It is an amenable number.

89490064 is a deficient number, since it is larger than the sum of its proper divisors (83896966).

89490064 is a wasteful number, since it uses less digits than its factorization.

89490064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593137 (or 5593131 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 89490064 is about 9459.9188157193. The cubic root of 89490064 is about 447.2924897479.

The spelling of 89490064 in words is "eighty-nine million, four hundred ninety thousand, sixty-four".