89478252 has 18 divisors (see below), whose sum is σ = 226181228. Its totient is φ = 29826072.

The previous prime is 89478251. The next prime is 89478269. The reversal of 89478252 is 25287498.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 89478198 and 89478207.

It is not an unprimeable number, because it can be changed into a prime (89478251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1242718 + ... + 1242789.

Almost surely, 2^89478252 is an apocalyptic number.

It is an amenable number.

89478252 is an abundant number, since it is smaller than the sum of its proper divisors (136702976).

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

89478252 is a wasteful number, since it uses less digits than its factorization.

89478252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485517 (or 2485512 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 89478252 is about 9459.2944768624. The cubic root of 89478252 is about 447.2728091594.

The spelling of 89478252 in words is "eighty-nine million, four hundred seventy-eight thousand, two hundred fifty-two".