104407639 has 16 divisors (see below), whose sum is σ = 122595840. Its totient is φ = 87069600.

The previous prime is 104407637. The next prime is 104407651. The reversal of 104407639 is 936704401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104407639 - 2¹ = 104407637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104407637) 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 in 15 ways as a sum of consecutive naturals, for example, 40462 + ... + 42964.

It is an arithmetic number, because the mean of its divisors is an integer number (7662240).

Almost surely, 2^104407639 is an apocalyptic number.

104407639 is a deficient number, since it is larger than the sum of its proper divisors (18188201).

104407639 is a wasteful number, since it uses less digits than its factorization.

104407639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 104407639 is about 10218.0056273228. The cubic root of 104407639 is about 470.8805568597.

The spelling of 104407639 in words is "one hundred four million, four hundred seven thousand, six hundred thirty-nine".