104399185 has 16 divisors (see below), whose sum is σ = 142611840. Its totient is φ = 72624640.

The previous prime is 104399179. The next prime is 104399201. The reversal of 104399185 is 581993401.

It is not a de Polignac number, because 104399185 - 2³ = 104399177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40000 + ... + 42529.

It is an arithmetic number, because the mean of its divisors is an integer number (8913240).

Almost surely, 2^104399185 is an apocalyptic number.

It is an amenable number.

104399185 is a deficient number, since it is larger than the sum of its proper divisors (38212655).

104399185 is a wasteful number, since it uses less digits than its factorization.

104399185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82568.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 104399185 is about 10217.5919374381. The cubic root of 104399185 is about 470.8678472798.

The spelling of 104399185 in words is "one hundred four million, three hundred ninety-nine thousand, one hundred eighty-five".