3161397 has 16 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 2026752.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161397 is 7931613.

3161397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3161397 - 2²⁰ = 2112821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161297) 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 15 ways as a sum of consecutive naturals, for example, 9213 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

Almost surely, 2^3161397 is an apocalyptic number.

It is an amenable number.

3161397 is a deficient number, since it is larger than the sum of its proper divisors (1219083).

3161397 is a wasteful number, since it uses less digits than its factorization.

3161397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 3402, while the sum is 30.

The square root of 3161397 is about 1778.0317769939. The cubic root of 3161397 is about 146.7662999558.

The spelling of 3161397 in words is "three million, one hundred sixty-one thousand, three hundred ninety-seven".