104320986 has 64 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 26976960.

The previous prime is 104320973. The next prime is 104320991. The reversal of 104320986 is 689023401.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160915 + ... + 161561.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^104320986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104320986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

104320986 is an abundant number, since it is smaller than the sum of its proper divisors (156952614).

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

104320986 is a wasteful number, since it uses less digits than its factorization.

104320986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 104320986 is about 10213.7645361541. The cubic root of 104320986 is about 470.7502518785.

The spelling of 104320986 in words is "one hundred four million, three hundred twenty thousand, nine hundred eighty-six".