3106687 has 4 divisors (see below), whose sum is σ = 3111480. Its totient is φ = 3101896.

The previous prime is 3106673. The next prime is 3106703. The reversal of 3106687 is 7866013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7866013 = 197 ⋅39929.

It is a cyclic number.

It is not a de Polignac number, because 3106687 - 2¹⁵ = 3073919 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.

3106687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3106637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237 + ... + 2782.

It is an arithmetic number, because the mean of its divisors is an integer number (777870).

Almost surely, 2^3106687 is an apocalyptic number.

3106687 is a deficient number, since it is larger than the sum of its proper divisors (4793).

3106687 is an equidigital number, since it uses as much as digits as its factorization.

3106687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3106687 is about 1762.5796435906. The cubic root of 3106687 is about 145.9147403626.

The spelling of 3106687 in words is "three million, one hundred six thousand, six hundred eighty-seven".