104966209 has 4 divisors (see below), whose sum is σ = 105014740. Its totient is φ = 104917680.

The previous prime is 104966207. The next prime is 104966231. The reversal of 104966209 is 902669401.

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 60450625 + 44515584 = 7775^2 + 6672^2 .

It is a cyclic number.

It is not a de Polignac number, because 104966209 - 2¹ = 104966207 is a prime.

It is a super-2 number, since 2×104966209² = 22035810063663362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104966207) 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, 20862 + ... + 25399.

It is an arithmetic number, because the mean of its divisors is an integer number (26253685).

Almost surely, 2^104966209 is an apocalyptic number.

It is an amenable number.

104966209 is a deficient number, since it is larger than the sum of its proper divisors (48531).

104966209 is an equidigital number, since it uses as much as digits as its factorization.

104966209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48530.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 104966209 is about 10245.3018013136. The cubic root of 104966209 is about 471.7187844757.

The spelling of 104966209 in words is "one hundred four million, nine hundred sixty-six thousand, two hundred nine".