89478964 has 12 divisors (see below), whose sum is σ = 158052384. Its totient is φ = 44321144.

The previous prime is 89478959. The next prime is 89479043. The reversal of 89478964 is 46987498.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104104 + ... + 104959.

It is an arithmetic number, because the mean of its divisors is an integer number (13171032).

Almost surely, 2^89478964 is an apocalyptic number.

It is an amenable number.

89478964 is a deficient number, since it is larger than the sum of its proper divisors (68573420).

89478964 is a wasteful number, since it uses less digits than its factorization.

89478964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209174 (or 209172 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 89478964 is about 9459.3321117297. The cubic root of 89478964 is about 447.2739955087.

The spelling of 89478964 in words is "eighty-nine million, four hundred seventy-eight thousand, nine hundred sixty-four".