3995143 has 4 divisors (see below), whose sum is σ = 4054840. Its totient is φ = 3935448.

The previous prime is 3995129. The next prime is 3995161. The reversal of 3995143 is 3415993.

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 3995143 - 2¹³ = 3986951 is a prime.

It is a super-2 number, since 2×3995143² = 31922335180898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3995099 and 3995108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995113) 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, 29748 + ... + 29881.

It is an arithmetic number, because the mean of its divisors is an integer number (1013710).

Almost surely, 2^3995143 is an apocalyptic number.

3995143 is a deficient number, since it is larger than the sum of its proper divisors (59697).

3995143 is an equidigital number, since it uses as much as digits as its factorization.

3995143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59696.

The product of its digits is 14580, while the sum is 34.

The square root of 3995143 is about 1998.7853811753. The cubic root of 3995143 is about 158.6758291165.

The spelling of 3995143 in words is "three million, nine hundred ninety-five thousand, one hundred forty-three".