89737312 has 48 divisors (see below), whose sum is σ = 208438272. Its totient is φ = 37215360.

The previous prime is 89737309. The next prime is 89737357. The reversal of 89737312 is 21373798.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (4342464).

Almost surely, 2^89737312 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 89737312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104219136).

89737312 is an abundant number, since it is smaller than the sum of its proper divisors (118700960).

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

89737312 is a wasteful number, since it uses less digits than its factorization.

89737312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971 (or 12963 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 89737312 is about 9472.9779900515. The cubic root of 89737312 is about 447.7040456033.

The spelling of 89737312 in words is "eighty-nine million, seven hundred thirty-seven thousand, three hundred twelve".