89539380 has 144 divisors (see below), whose sum is σ = 312923520. Its totient is φ = 20300544.

The previous prime is 89539379. The next prime is 89539393. The reversal of 89539380 is 8393598.

89539380 is a `hidden beast` number, since 89 + 539 + 38 + 0 = 666.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225342 + ... + 225738.

It is an arithmetic number, because the mean of its divisors is an integer number (2173080).

Almost surely, 2^89539380 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 89539380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156461760).

89539380 is an abundant number, since it is smaller than the sum of its proper divisors (223384140).

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

89539380 is a wasteful number, since it uses less digits than its factorization.

89539380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 89539380 is about 9462.5250329920. The cubic root of 89539380 is about 447.3746390006.

The spelling of 89539380 in words is "eighty-nine million, five hundred thirty-nine thousand, three hundred eighty".