89557734 has 64 divisors (see below), whose sum is σ = 221861376. Its totient is φ = 23514624.

The previous prime is 89557711. The next prime is 89557759. The reversal of 89557734 is 43775598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29244 + ... + 32160.

It is an arithmetic number, because the mean of its divisors is an integer number (3466584).

Almost surely, 2^89557734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89557734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110930688).

89557734 is an abundant number, since it is smaller than the sum of its proper divisors (132303642).

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

89557734 is a wasteful number, since it uses less digits than its factorization.

89557734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989.

The product of its digits is 1058400, while the sum is 48.

The square root of 89557734 is about 9463.4948090016. The cubic root of 89557734 is about 447.4052048929.

The spelling of 89557734 in words is "eighty-nine million, five hundred fifty-seven thousand, seven hundred thirty-four".