108591864 has 16 divisors (see below), whose sum is σ = 271479720. Its totient is φ = 36197280.

The previous prime is 108591841. The next prime is 108591871. The reversal of 108591864 is 468195801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2262307 + ... + 2262354.

Almost surely, 2^108591864 is an apocalyptic number.

It is an amenable number.

108591864 is an abundant number, since it is smaller than the sum of its proper divisors (162887856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108591864 is a wasteful number, since it uses less digits than its factorization.

108591864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524670 (or 4524666 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 108591864 is about 10420.7420081297. The cubic root of 108591864 is about 477.0886623247.

The spelling of 108591864 in words is "one hundred eight million, five hundred ninety-one thousand, eight hundred sixty-four".