89144760 has 64 divisors (see below), whose sum is σ = 271226880. Its totient is φ = 23434880.

The previous prime is 89144743. The next prime is 89144779. The reversal of 89144760 is 6744198.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3289 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (4237920).

Almost surely, 2^89144760 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 89144760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135613440).

89144760 is an abundant number, since it is smaller than the sum of its proper divisors (182082120).

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

89144760 is a wasteful number, since it uses less digits than its factorization.

89144760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548 (or 10544 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 89144760 is about 9441.6502794797. The cubic root of 89144760 is about 446.7164445403.

The spelling of 89144760 in words is "eighty-nine million, one hundred forty-four thousand, seven hundred sixty".