104395931 has 4 divisors (see below), whose sum is σ = 104521200. Its totient is φ = 104270664.

The previous prime is 104395909. The next prime is 104395933. The reversal of 104395931 is 139593401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139593401 = 5821 ⋅23981.

It is a cyclic number.

It is not a de Polignac number, because 104395931 - 2¹⁴ = 104379547 is a prime.

It is a super-2 number, since 2×104395931² = 21797020818713522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104395891 and 104395900.

It is not an unprimeable number, because it can be changed into a prime (104395933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61376 + ... + 63053.

It is an arithmetic number, because the mean of its divisors is an integer number (26130300).

Almost surely, 2^104395931 is an apocalyptic number.

104395931 is a deficient number, since it is larger than the sum of its proper divisors (125269).

104395931 is an equidigital number, since it uses as much as digits as its factorization.

104395931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125268.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 104395931 is about 10217.4327010262. The cubic root of 104395931 is about 470.8629550964.

The spelling of 104395931 in words is "one hundred four million, three hundred ninety-five thousand, nine hundred thirty-one".