108589091 has 12 divisors (see below), whose sum is σ = 117947160. Its totient is φ = 99927360.

The previous prime is 108589067. The next prime is 108589093. The reversal of 108589091 is 190985801.

It is a de Polignac number, because none of the positive numbers 2^k-108589091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108589093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68336 + ... + 69906.

It is an arithmetic number, because the mean of its divisors is an integer number (9828930).

Almost surely, 2^108589091 is an apocalyptic number.

108589091 is a deficient number, since it is larger than the sum of its proper divisors (9358069).

108589091 is a wasteful number, since it uses less digits than its factorization.

108589091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 108589091 is about 10420.6089553346. The cubic root of 108589091 is about 477.0846013141.

The spelling of 108589091 in words is "one hundred eight million, five hundred eighty-nine thousand, ninety-one".