3149347 has 4 divisors (see below), whose sum is σ = 3193776. Its totient is φ = 3104920.

The previous prime is 3149339. The next prime is 3149353. The reversal of 3149347 is 7439413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7439413 = 839 ⋅8867.

It is a cyclic number.

It is not a de Polignac number, because 3149347 - 2³ = 3149339 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3149357) 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, 22108 + ... + 22249.

It is an arithmetic number, because the mean of its divisors is an integer number (798444).

Almost surely, 2^3149347 is an apocalyptic number.

3149347 is a deficient number, since it is larger than the sum of its proper divisors (44429).

3149347 is an equidigital number, since it uses as much as digits as its factorization.

3149347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44428.

The product of its digits is 9072, while the sum is 31.

The square root of 3149347 is about 1774.6399634856. The cubic root of 3149347 is about 146.5795907605.

The spelling of 3149347 in words is "three million, one hundred forty-nine thousand, three hundred forty-seven".