89385856 has 32 divisors (see below), whose sum is σ = 203514480. Its totient is φ = 38307840.

The previous prime is 89385851. The next prime is 89385871. The reversal of 89385856 is 65858398.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89385851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48985 + ... + 50776.

Almost surely, 2^89385856 is an apocalyptic number.

It is an amenable number.

89385856 is an abundant number, since it is smaller than the sum of its proper divisors (114128624).

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

89385856 is an equidigital number, since it uses as much as digits as its factorization.

89385856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99782 (or 99770 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The square root of 89385856 is about 9454.4093416776. The cubic root of 89385856 is about 447.1188035758.

The spelling of 89385856 in words is "eighty-nine million, three hundred eighty-five thousand, eight hundred fifty-six".