104439982 has 4 divisors (see below), whose sum is σ = 156659976. Its totient is φ = 52219990.

The previous prime is 104439967. The next prime is 104439989. The reversal of 104439982 is 289934401.

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

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (104439989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26109994 + ... + 26109997.

It is an arithmetic number, because the mean of its divisors is an integer number (39164994).

Almost surely, 2^104439982 is an apocalyptic number.

104439982 is a deficient number, since it is larger than the sum of its proper divisors (52219994).

104439982 is an equidigital number, since it uses as much as digits as its factorization.

104439982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52219993.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 104439982 is about 10219.5881521713. The cubic root of 104439982 is about 470.9291743672.

The spelling of 104439982 in words is "one hundred four million, four hundred thirty-nine thousand, nine hundred eighty-two".