89382784 has 64 divisors (see below), whose sum is σ = 188324640. Its totient is φ = 42172416.

The previous prime is 89382779. The next prime is 89382791. The reversal of 89382784 is 48728398.

It is a tau number, because it is divible by the number of its divisors (64).

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, 285412 + ... + 285724.

Almost surely, 2^89382784 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 89382784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94162320).

89382784 is an abundant number, since it is smaller than the sum of its proper divisors (98941856).

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

89382784 is a wasteful number, since it uses less digits than its factorization.

89382784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 435 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 89382784 is about 9454.2468764043. The cubic root of 89382784 is about 447.1136813460.

The spelling of 89382784 in words is "eighty-nine million, three hundred eighty-two thousand, seven hundred eighty-four".