89478228 has 24 divisors (see below), whose sum is σ = 238608832. Its totient is φ = 25565184.

The previous prime is 89478199. The next prime is 89478241. The reversal of 89478228 is 82287498.

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, 532525 + ... + 532692.

Almost surely, 2^89478228 is an apocalyptic number.

It is an amenable number.

89478228 is an abundant number, since it is smaller than the sum of its proper divisors (149130604).

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

89478228 is a wasteful number, since it uses less digits than its factorization.

89478228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065231 (or 1065229 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 89478228 is about 9459.2932082688. The cubic root of 89478228 is about 447.2727691700.

The spelling of 89478228 in words is "eighty-nine million, four hundred seventy-eight thousand, two hundred twenty-eight".