89647470 has 96 divisors (see below), whose sum is σ = 257572224. Its totient is φ = 21451200.

The previous prime is 89647469. The next prime is 89647501. The reversal of 89647470 is 7474698.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81625 + ... + 82715.

It is an arithmetic number, because the mean of its divisors is an integer number (2683044).

Almost surely, 2^89647470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89647470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128786112).

89647470 is an abundant number, since it is smaller than the sum of its proper divisors (167924754).

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

89647470 is a wasteful number, since it uses less digits than its factorization.

89647470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 89647470 is about 9468.2347879634. The cubic root of 89647470 is about 447.5545869347.

The spelling of 89647470 in words is "eighty-nine million, six hundred forty-seven thousand, four hundred seventy".