109045986 has 16 divisors (see below), whose sum is σ = 249248064. Its totient is φ = 31155984.

The previous prime is 109045961. The next prime is 109045987. The reversal of 109045986 is 689540901.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2596333 = 109045986 / (1 + 0 + 9 + 0 + 4 + 5 + 9 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (109045987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1298125 + ... + 1298208.

It is an arithmetic number, because the mean of its divisors is an integer number (15578004).

Almost surely, 2^109045986 is an apocalyptic number.

109045986 is an abundant number, since it is smaller than the sum of its proper divisors (140202078).

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

109045986 is a wasteful number, since it uses less digits than its factorization.

109045986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596345.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 109045986 is about 10442.5086066519. The cubic root of 109045986 is about 477.7527855725.

The spelling of 109045986 in words is "one hundred nine million, forty-five thousand, nine hundred eighty-six".