108916589 has 4 divisors (see below), whose sum is σ = 110295360. Its totient is φ = 107537820.

The previous prime is 108916579. The next prime is 108916601. The reversal of 108916589 is 985619801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108916589 - 2⁴ = 108916573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108916529) 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, 689267 + ... + 689424.

It is an arithmetic number, because the mean of its divisors is an integer number (27573840).

Almost surely, 2^108916589 is an apocalyptic number.

It is an amenable number.

108916589 is a deficient number, since it is larger than the sum of its proper divisors (1378771).

108916589 is an equidigital number, since it uses as much as digits as its factorization.

108916589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378770.

The product of its (nonzero) digits is 155520, while the sum is 47.

The square root of 108916589 is about 10436.3110819868. The cubic root of 108916589 is about 477.5637391957.

The spelling of 108916589 in words is "one hundred eight million, nine hundred sixteen thousand, five hundred eighty-nine".