89644968 has 80 divisors (see below), whose sum is σ = 286973280. Its totient is φ = 25611552.

The previous prime is 89644957. The next prime is 89644993. The reversal of 89644968 is 86944698.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5346 + ... + 14417.

It is an arithmetic number, because the mean of its divisors is an integer number (3587166).

Almost surely, 2^89644968 is an apocalyptic number.

It is an amenable number.

89644968 is an abundant number, since it is smaller than the sum of its proper divisors (197328312).

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

89644968 is a wasteful number, since it uses less digits than its factorization.

89644968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19788 (or 19775 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 89644968 is about 9468.1026610404. The cubic root of 89644968 is about 447.5504232478.

The spelling of 89644968 in words is "eighty-nine million, six hundred forty-four thousand, nine hundred sixty-eight".