89243918 has 8 divisors (see below), whose sum is σ = 133905960. Its totient is φ = 44608600.

The previous prime is 89243909. The next prime is 89243923. The reversal of 89243918 is 81934298.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9968 + ... + 16668.

It is an arithmetic number, because the mean of its divisors is an integer number (16738245).

Almost surely, 2^89243918 is an apocalyptic number.

89243918 is a deficient number, since it is larger than the sum of its proper divisors (44662042).

89243918 is a wasteful number, since it uses less digits than its factorization.

89243918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362.

The product of its digits is 124416, while the sum is 44.

The square root of 89243918 is about 9446.8999147869. The cubic root of 89243918 is about 446.8820145475.

The spelling of 89243918 in words is "eighty-nine million, two hundred forty-three thousand, nine hundred eighteen".