89387856 has 120 divisors (see below), whose sum is σ = 270751520. Its totient is φ = 27433728.

The previous prime is 89387827. The next prime is 89387861. The reversal of 89387856 is 65878398.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100791 + ... + 101673.

Almost surely, 2^89387856 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 89387856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135375760).

89387856 is an abundant number, since it is smaller than the sum of its proper divisors (181363664).

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

89387856 is a wasteful number, since it uses less digits than its factorization.

89387856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 944 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 89387856 is about 9454.5151118394. The cubic root of 89387856 is about 447.1221382978.

The spelling of 89387856 in words is "eighty-nine million, three hundred eighty-seven thousand, eight hundred fifty-six".