104099399 has 2 divisors, whose sum is σ = 104099400. Its totient is φ = 104099398.

The previous prime is 104099377. The next prime is 104099417. The reversal of 104099399 is 993990401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104099399 - 2²⁰ = 103050823 is a prime.

It is a super-2 number, since 2×104099399² = 21673369744322402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104099339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52049699 + 52049700.

It is an arithmetic number, because the mean of its divisors is an integer number (52049700).

Almost surely, 2^104099399 is an apocalyptic number.

104099399 is a deficient number, since it is larger than the sum of its proper divisors (1).

104099399 is an equidigital number, since it uses as much as digits as its factorization.

104099399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 104099399 is about 10202.9113002123. The cubic root of 104099399 is about 470.4167105544.

The spelling of 104099399 in words is "one hundred four million, ninety-nine thousand, three hundred ninety-nine".