3999795 has 16 divisors (see below), whose sum is σ = 6468000. Its totient is φ = 2110464.

The previous prime is 3999791. The next prime is 3999803. The reversal of 3999795 is 5979993.

It is not a de Polignac number, because 3999795 - 2² = 3999791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3999791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (404250).

Almost surely, 2^3999795 is an apocalyptic number.

3999795 is a deficient number, since it is larger than the sum of its proper divisors (2468205).

3999795 is a wasteful number, since it uses less digits than its factorization.

3999795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854.

The product of its digits is 688905, while the sum is 51.

The square root of 3999795 is about 1999.9487493433. The cubic root of 3999795 is about 158.7373933404.

The spelling of 3999795 in words is "three million, nine hundred ninety-nine thousand, seven hundred ninety-five".