3995899 has 4 divisors (see below), whose sum is σ = 4046560. Its totient is φ = 3945240.

The previous prime is 3995897. The next prime is 3995903. The reversal of 3995899 is 9985993.

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 3995899 - 2¹ = 3995897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3995891) 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, 25212 + ... + 25369.

It is an arithmetic number, because the mean of its divisors is an integer number (1011640).

Almost surely, 2^3995899 is an apocalyptic number.

3995899 is a deficient number, since it is larger than the sum of its proper divisors (50661).

3995899 is an equidigital number, since it uses as much as digits as its factorization.

3995899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50660.

The product of its digits is 787320, while the sum is 52.

The square root of 3995899 is about 1998.9744870808. The cubic root of 3995899 is about 158.6858372156.

The spelling of 3995899 in words is "three million, nine hundred ninety-five thousand, eight hundred ninety-nine".