3143995 has 4 divisors (see below), whose sum is σ = 3772800. Its totient is φ = 2515192.

The previous prime is 3143993. The next prime is 3144007. The reversal of 3143995 is 5993413.

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 3143995 - 2¹ = 3143993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3143995.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143993) 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, 314395 + ... + 314404.

It is an arithmetic number, because the mean of its divisors is an integer number (943200).

Almost surely, 2^3143995 is an apocalyptic number.

3143995 is a deficient number, since it is larger than the sum of its proper divisors (628805).

3143995 is an equidigital number, since it uses as much as digits as its factorization.

3143995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628804.

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

The square root of 3143995 is about 1773.1314108097. The cubic root of 3143995 is about 146.4965112333.

It can be divided in two parts, 3 and 143995, that multiplied together give a triangular number (431985 = T₉₂₉).

The spelling of 3143995 in words is "three million, one hundred forty-three thousand, nine hundred ninety-five".