89478412 has 24 divisors (see below), whose sum is σ = 169331904. Its totient is φ = 41210112.

The previous prime is 89478409. The next prime is 89478419. The reversal of 89478412 is 21487498.

It is not an unprimeable number, because it can be changed into a prime (89478419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10803 + ... + 17194.

It is an arithmetic number, because the mean of its divisors is an integer number (7055496).

Almost surely, 2^89478412 is an apocalyptic number.

It is an amenable number.

89478412 is a deficient number, since it is larger than the sum of its proper divisors (79853492).

89478412 is a wasteful number, since it uses less digits than its factorization.

89478412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28065 (or 28063 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 89478412 is about 9459.3029341490. The cubic root of 89478412 is about 447.2730757553.

The spelling of 89478412 in words is "eighty-nine million, four hundred seventy-eight thousand, four hundred twelve".