3161369 has 4 divisors (see below), whose sum is σ = 3196980. Its totient is φ = 3125760.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161369 is 9631613.

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 1690000 + 1471369 = 1300^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161369 - 2²⁰ = 2112793 is a prime.

It is a super-2 number, since 2×3161369² = 19988507908322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3161309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17672 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (799245).

Almost surely, 2^3161369 is an apocalyptic number.

It is an amenable number.

3161369 is a deficient number, since it is larger than the sum of its proper divisors (35611).

3161369 is an equidigital number, since it uses as much as digits as its factorization.

3161369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35610.

The product of its digits is 2916, while the sum is 29.

The square root of 3161369 is about 1778.0239031014. The cubic root of 3161369 is about 146.7658666591.

The spelling of 3161369 in words is "three million, one hundred sixty-one thousand, three hundred sixty-nine".