3143147 has 16 divisors (see below), whose sum is σ = 3874752. Its totient is φ = 2488320.

The previous prime is 3143141. The next prime is 3143149. The reversal of 3143147 is 7413413.

It is a cyclic number.

It is not a de Polignac number, because 3143147 - 2⁴ = 3143131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7043 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (242172).

Almost surely, 2^3143147 is an apocalyptic number.

3143147 is a deficient number, since it is larger than the sum of its proper divisors (731605).

3143147 is a wasteful number, since it uses less digits than its factorization.

3143147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its digits is 1008, while the sum is 23.

The square root of 3143147 is about 1772.8922697107. The cubic root of 3143147 is about 146.4833390100.

The spelling of 3143147 in words is "three million, one hundred forty-three thousand, one hundred forty-seven".