104449839 has 16 divisors (see below), whose sum is σ = 153172992. Its totient is φ = 62908128.

The previous prime is 104449811. The next prime is 104449843. The reversal of 104449839 is 938944401.

It is not a de Polignac number, because 104449839 - 2⁷ = 104449711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104449839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104449879) 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, 26659 + ... + 30324.

It is an arithmetic number, because the mean of its divisors is an integer number (9573312).

Almost surely, 2^104449839 is an apocalyptic number.

104449839 is a deficient number, since it is larger than the sum of its proper divisors (48723153).

104449839 is a wasteful number, since it uses less digits than its factorization.

104449839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57046.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 104449839 is about 10220.0704009317. The cubic root of 104449839 is about 470.9439892645.

The spelling of 104449839 in words is "one hundred four million, four hundred forty-nine thousand, eight hundred thirty-nine".