89478648 has 256 divisors, whose sum is σ = 309657600. Its totient is φ = 23379840.

The previous prime is 89478629. The next prime is 89478661. The reversal of 89478648 is 84687498.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 89478594 and 89478603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1078015 + ... + 1078097.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^89478648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89478648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154828800).

89478648 is an abundant number, since it is smaller than the sum of its proper divisors (220178952).

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

89478648 is a wasteful number, since it uses less digits than its factorization.

89478648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 149 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 89478648 is about 9459.3154086329. The cubic root of 89478648 is about 447.2734689837.

The spelling of 89478648 in words is "eighty-nine million, four hundred seventy-eight thousand, six hundred forty-eight".