89713312 has 72 divisors (see below), whose sum is σ = 195485724. Its totient is φ = 40495104.

The previous prime is 89713297. The next prime is 89713319. The reversal of 89713312 is 21331798.

It can be written as a sum of positive squares in 6 ways, for example, as 2178576 + 87534736 = 1476^2 + 9356^2 .

It is not an unprimeable number, because it can be changed into a prime (89713319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286468 + ... + 286780.

Almost surely, 2^89713312 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 89713312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97742862).

89713312 is an abundant number, since it is smaller than the sum of its proper divisors (105772412).

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

89713312 is a wasteful number, since it uses less digits than its factorization.

89713312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 381 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 89713312 is about 9471.7111442442. The cubic root of 89713312 is about 447.6641296349.

The spelling of 89713312 in words is "eighty-nine million, seven hundred thirteen thousand, three hundred twelve".