104378209 has 16 divisors (see below), whose sum is σ = 121089024. Its totient is φ = 89179200.

The previous prime is 104378203. The next prime is 104378233. The reversal of 104378209 is 902873401.

It is a cyclic number.

It is not a de Polignac number, because 104378209 - 2³ = 104378201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104378201) 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, 3639 + ... + 14899.

It is an arithmetic number, because the mean of its divisors is an integer number (7568064).

Almost surely, 2^104378209 is an apocalyptic number.

It is an amenable number.

104378209 is a deficient number, since it is larger than the sum of its proper divisors (16710815).

104378209 is a wasteful number, since it uses less digits than its factorization.

104378209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 104378209 is about 10216.5654209230. The cubic root of 104378209 is about 470.8363094042.

The spelling of 104378209 in words is "one hundred four million, three hundred seventy-eight thousand, two hundred nine".