109318986 has 48 divisors (see below), whose sum is σ = 277003584. Its totient is φ = 30506112.

The previous prime is 109318981. The next prime is 109318991. The reversal of 109318986 is 689813901.

It is an interprime number because it is at equal distance from previous prime (109318981) and next prime (109318991).

It is not an unprimeable number, because it can be changed into a prime (109318981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4671 + ... + 15506.

It is an arithmetic number, because the mean of its divisors is an integer number (5770908).

Almost surely, 2^109318986 is an apocalyptic number.

109318986 is an abundant number, since it is smaller than the sum of its proper divisors (167684598).

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

109318986 is a wasteful number, since it uses less digits than its factorization.

109318986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235 (or 20232 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 109318986 is about 10455.5720073079. The cubic root of 109318986 is about 478.1511429509.

The spelling of 109318986 in words is "one hundred nine million, three hundred eighteen thousand, nine hundred eighty-six".