4115999 has 4 divisors (see below), whose sum is σ = 4257960. Its totient is φ = 3974040.

The previous prime is 4115987. The next prime is 4116019. The reversal of 4115999 is 9995114.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4115999 - 2²⁰ = 3067423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4115939) 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, 70937 + ... + 70994.

It is an arithmetic number, because the mean of its divisors is an integer number (1064490).

Almost surely, 2^4115999 is an apocalyptic number.

4115999 is a deficient number, since it is larger than the sum of its proper divisors (141961).

4115999 is a wasteful number, since it uses less digits than its factorization.

4115999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141960.

The product of its digits is 14580, while the sum is 38.

The square root of 4115999 is about 2028.7924980145. The cubic root of 4115999 is about 160.2599809788.

The spelling of 4115999 in words is "four million, one hundred fifteen thousand, nine hundred ninety-nine".