3995858 has 8 divisors (see below), whose sum is σ = 6006000. Its totient is φ = 1993860.

The previous prime is 3995851. The next prime is 3995891. The reversal of 3995858 is 8585993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3995851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 2^3995858 is an apocalyptic number.

3995858 is a deficient number, since it is larger than the sum of its proper divisors (2010142).

3995858 is a wasteful number, since it uses less digits than its factorization.

3995858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072.

The product of its digits is 388800, while the sum is 47.

The square root of 3995858 is about 1998.9642317961. The cubic root of 3995858 is about 158.6852944807.

The spelling of 3995858 in words is "three million, nine hundred ninety-five thousand, eight hundred fifty-eight".