3130749 has 12 divisors (see below), whose sum is σ = 4551456. Its totient is φ = 2073672.

The previous prime is 3130739. The next prime is 3130759. The reversal of 3130749 is 9470313.

It is an interprime number because it is at equal distance from previous prime (3130739) and next prime (3130759).

It is not a de Polignac number, because 3130749 - 2⁴ = 3130733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (379288).

Almost surely, 2^3130749 is an apocalyptic number.

It is an amenable number.

3130749 is a deficient number, since it is larger than the sum of its proper divisors (1420707).

3130749 is a wasteful number, since it uses less digits than its factorization.

3130749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 3130749 is about 1769.3922685487. The cubic root of 3130749 is about 146.2904862709.

The spelling of 3130749 in words is "three million, one hundred thirty thousand, seven hundred forty-nine".