104664685 has 4 divisors (see below), whose sum is σ = 125597628. Its totient is φ = 83731744.

The previous prime is 104664671. The next prime is 104664689. The reversal of 104664685 is 586466401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55636681 + 49028004 = 7459^2 + 7002^2 .

It is a cyclic number.

It is not a de Polignac number, because 104664685 - 2⁷ = 104664557 is a prime.

It is a super-2 number, since 2×104664685² = 21909392572298450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104664689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10466464 + ... + 10466473.

It is an arithmetic number, because the mean of its divisors is an integer number (31399407).

Almost surely, 2^104664685 is an apocalyptic number.

It is an amenable number.

104664685 is a deficient number, since it is larger than the sum of its proper divisors (20932943).

104664685 is an equidigital number, since it uses as much as digits as its factorization.

104664685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20932942.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 104664685 is about 10230.5759857400. The cubic root of 104664685 is about 471.2666677188.

It can be divided in two parts, 10466 and 4685, that added together give a palindrome (15151).

The spelling of 104664685 in words is "one hundred four million, six hundred sixty-four thousand, six hundred eighty-five".