89601720 has 128 divisors (see below), whose sum is σ = 304819200. Its totient is φ = 20888064.

The previous prime is 89601703. The next prime is 89601727. The reversal of 89601720 is 2710698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89601727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28129 + ... + 31151.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^89601720 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 89601720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152409600).

89601720 is an abundant number, since it is smaller than the sum of its proper divisors (215217480).

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

89601720 is a wasteful number, since it uses less digits than its factorization.

89601720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 89601720 is about 9465.8185066058. The cubic root of 89601720 is about 447.4784401252.

The spelling of 89601720 in words is "eighty-nine million, six hundred one thousand, seven hundred twenty".