3107691 has 12 divisors (see below), whose sum is σ = 4684368. Its totient is φ = 1981584.

The previous prime is 3107647. The next prime is 3107701. The reversal of 3107691 is 1967013.

It is not a de Polignac number, because 3107691 - 2¹⁰ = 3106667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3107491) 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, 7300 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (390364).

Almost surely, 2^3107691 is an apocalyptic number.

3107691 is a deficient number, since it is larger than the sum of its proper divisors (1576677).

3107691 is a wasteful number, since it uses less digits than its factorization.

3107691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15042 (or 15039 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 3107691 is about 1762.8644304086. The cubic root of 3107691 is about 145.9304572791.

It can be divided in two parts, 310 and 7691, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 3107691 in words is "three million, one hundred seven thousand, six hundred ninety-one".