3147146 has 16 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 1506960.

The previous prime is 3147143. The next prime is 3147149. The reversal of 3147146 is 6417413.

It is an interprime number because it is at equal distance from previous prime (3147143) and next prime (3147149).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3147143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 2^3147146 is an apocalyptic number.

3147146 is a deficient number, since it is larger than the sum of its proper divisors (1777654).

3147146 is a wasteful number, since it uses less digits than its factorization.

3147146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its digits is 2016, while the sum is 26.

The square root of 3147146 is about 1774.0197293153. The cubic root of 3147146 is about 146.5454358637.

The spelling of 3147146 in words is "three million, one hundred forty-seven thousand, one hundred forty-six".