104809379 has 4 divisors (see below), whose sum is σ = 106136160. Its totient is φ = 103482600.

The previous prime is 104809363. The next prime is 104809381. The reversal of 104809379 is 973908401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 104809379 - 2⁴ = 104809363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104809399) 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, 663272 + ... + 663429.

It is an arithmetic number, because the mean of its divisors is an integer number (26534040).

Almost surely, 2^104809379 is an apocalyptic number.

104809379 is a deficient number, since it is larger than the sum of its proper divisors (1326781).

104809379 is an equidigital number, since it uses as much as digits as its factorization.

104809379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326780.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 104809379 is about 10237.6451882257. The cubic root of 104809379 is about 471.4837357153.

The spelling of 104809379 in words is "one hundred four million, eight hundred nine thousand, three hundred seventy-nine".