3111669 has 16 divisors (see below), whose sum is σ = 5029440. Its totient is φ = 1885680.

The previous prime is 3111659. The next prime is 3111673. The reversal of 3111669 is 9661113.

It is not a de Polignac number, because 3111669 - 2⁴ = 3111653 is a prime.

It is a super-2 number, since 2×3111669² = 19364967931122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4942 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (314340).

Almost surely, 2^3111669 is an apocalyptic number.

It is an amenable number.

3111669 is a deficient number, since it is larger than the sum of its proper divisors (1917771).

3111669 is a wasteful number, since it uses less digits than its factorization.

3111669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497 (or 10491 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 3111669 is about 1763.9923469222. The cubic root of 3111669 is about 145.9926968262.

Adding to 3111669 its sum of digits (27), we get a 4-th power (3111696 = 42⁴).

The spelling of 3111669 in words is "three million, one hundred eleven thousand, six hundred sixty-nine".