3106693 has 4 divisors (see below), whose sum is σ = 3182508. Its totient is φ = 3030880.

The previous prime is 3106673. The next prime is 3106703. The reversal of 3106693 is 3966013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3966013 = 137 ⋅28949.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 3038049 = 262^2 + 1743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3106693 is a prime.

It is a Duffinian number.

3106693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3106643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37846 + ... + 37927.

It is an arithmetic number, because the mean of its divisors is an integer number (795627).

Almost surely, 2^3106693 is an apocalyptic number.

It is an amenable number.

3106693 is a deficient number, since it is larger than the sum of its proper divisors (75815).

3106693 is an equidigital number, since it uses as much as digits as its factorization.

3106693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75814.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3106693 is about 1762.5813456405. The cubic root of 3106693 is about 145.9148342985.

The spelling of 3106693 in words is "three million, one hundred six thousand, six hundred ninety-three".