3147242 has 16 divisors (see below), whose sum is σ = 5527872. Its totient is φ = 1315680.

The previous prime is 3147241. The next prime is 3147253. The reversal of 3147242 is 2427413.

It is not an unprimeable number, because it can be changed into a prime (3147241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168 + ... + 3315.

It is an arithmetic number, because the mean of its divisors is an integer number (345492).

Almost surely, 2^3147242 is an apocalyptic number.

3147242 is a deficient number, since it is larger than the sum of its proper divisors (2380630).

3147242 is a wasteful number, since it uses less digits than its factorization.

3147242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533.

The product of its digits is 1344, while the sum is 23.

The square root of 3147242 is about 1774.0467863053. The cubic root of 3147242 is about 146.5469259141.

The spelling of 3147242 in words is "three million, one hundred forty-seven thousand, two hundred forty-two".