104181939 has 24 divisors (see below), whose sum is σ = 154732032. Its totient is φ = 67515120.

The previous prime is 104181937. The next prime is 104181983. The reversal of 104181939 is 939181401.

It is not a de Polignac number, because 104181939 - 2¹ = 104181937 is a prime.

It is a super-3 number, since 3×104181939³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (104181937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68194 + ... + 69704.

It is an arithmetic number, because the mean of its divisors is an integer number (6447168).

Almost surely, 2^104181939 is an apocalyptic number.

104181939 is a deficient number, since it is larger than the sum of its proper divisors (50550093).

104181939 is a wasteful number, since it uses less digits than its factorization.

104181939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 104181939 is about 10206.9554226518. The cubic root of 104181939 is about 470.5410082223.

The spelling of 104181939 in words is "one hundred four million, one hundred eighty-one thousand, nine hundred thirty-nine".