89644894 has 8 divisors (see below), whose sum is σ = 135978480. Its totient is φ = 44318736.

The previous prime is 89644883. The next prime is 89644909. The reversal of 89644894 is 49844698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251634 + ... + 251989.

It is an arithmetic number, because the mean of its divisors is an integer number (16997310).

Almost surely, 2^89644894 is an apocalyptic number.

89644894 is a deficient number, since it is larger than the sum of its proper divisors (46333586).

89644894 is a wasteful number, since it uses less digits than its factorization.

89644894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503714.

The product of its digits is 1990656, while the sum is 52.

The square root of 89644894 is about 9468.0987531817. The cubic root of 89644894 is about 447.5503001000.

The spelling of 89644894 in words is "eighty-nine million, six hundred forty-four thousand, eight hundred ninety-four".