89318843 has 4 divisors (see below), whose sum is σ = 92200128. Its totient is φ = 86437560.

The previous prime is 89318797. The next prime is 89318857. The reversal of 89318843 is 34881398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34881398 = 2 ⋅17440699.

It is a cyclic number.

It is not a de Polignac number, because 89318843 - 2⁸ = 89318587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89318794 and 89318803.

It is not an unprimeable number, because it can be changed into a prime (89318443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440596 + ... + 1440657.

It is an arithmetic number, because the mean of its divisors is an integer number (23050032).

Almost surely, 2^89318843 is an apocalyptic number.

89318843 is a deficient number, since it is larger than the sum of its proper divisors (2881285).

89318843 is a wasteful number, since it uses less digits than its factorization.

89318843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881284.

The product of its digits is 165888, while the sum is 44.

The square root of 89318843 is about 9450.8646694363. The cubic root of 89318843 is about 447.0070399457.

The spelling of 89318843 in words is "eighty-nine million, three hundred eighteen thousand, eight hundred forty-three".