104260639 has 8 divisors (see below), whose sum is σ = 119275040. Its totient is φ = 89276256.

The previous prime is 104260627. The next prime is 104260687. The reversal of 104260639 is 936062401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104260639 - 2²¹ = 102163487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104260639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104263639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 14449.

It is an arithmetic number, because the mean of its divisors is an integer number (14909380).

Almost surely, 2^104260639 is an apocalyptic number.

104260639 is a deficient number, since it is larger than the sum of its proper divisors (15014401).

104260639 is a wasteful number, since it uses less digits than its factorization.

104260639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 104260639 is about 10210.8099091110. The cubic root of 104260639 is about 470.6594620763.

The spelling of 104260639 in words is "one hundred four million, two hundred sixty thousand, six hundred thirty-nine".