4075999 has 4 divisors (see below), whose sum is σ = 4086664. Its totient is φ = 4065336.

The previous prime is 4075993. The next prime is 4076003. The reversal of 4075999 is 9995704.

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 4075999 - 2⁷ = 4075871 is a prime.

It is a super-2 number, since 2×4075999² = 33227535696002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4075993) 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, 4737 + ... + 5530.

It is an arithmetic number, because the mean of its divisors is an integer number (1021666).

Almost surely, 2^4075999 is an apocalyptic number.

4075999 is a deficient number, since it is larger than the sum of its proper divisors (10665).

4075999 is a wasteful number, since it uses less digits than its factorization.

4075999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10664.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 4075999 is about 2018.9103496689. The cubic root of 4075999 is about 159.7391452612.

The spelling of 4075999 in words is "four million, seventy-five thousand, nine hundred ninety-nine".