3165997 has 4 divisors (see below), whose sum is σ = 3201660. Its totient is φ = 3130336.

The previous prime is 3165991. The next prime is 3166001. The reversal of 3165997 is 7995613.

3165997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 2604996 = 749^2 + 1614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3165997 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17698 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (800415).

Almost surely, 2^3165997 is an apocalyptic number.

It is an amenable number.

3165997 is a deficient number, since it is larger than the sum of its proper divisors (35663).

3165997 is an equidigital number, since it uses as much as digits as its factorization.

3165997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35662.

The product of its digits is 51030, while the sum is 40.

The square root of 3165997 is about 1779.3248719669. The cubic root of 3165997 is about 146.8374497035.

The spelling of 3165997 in words is "three million, one hundred sixty-five thousand, nine hundred ninety-seven".