104318643 has 16 divisors (see below), whose sum is σ = 163408896. Its totient is φ = 58359840.

The previous prime is 104318629. The next prime is 104318663. The reversal of 104318643 is 346813401.

It is a de Polignac number, because none of the positive numbers 2^k-104318643 is a prime.

It is a super-2 number, since 2×104318643² = 21764758554722898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104318643.

It is not an unprimeable number, because it can be changed into a prime (104318603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121155 + ... + 122012.

It is an arithmetic number, because the mean of its divisors is an integer number (10213056).

Almost surely, 2^104318643 is an apocalyptic number.

104318643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104318643 is a deficient number, since it is larger than the sum of its proper divisors (59090253).

104318643 is a wasteful number, since it uses less digits than its factorization.

104318643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243194.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 104318643 is about 10213.6498373500. The cubic root of 104318643 is about 470.7467275761.

The spelling of 104318643 in words is "one hundred four million, three hundred eighteen thousand, six hundred forty-three".