3111889 has 8 divisors (see below), whose sum is σ = 3438720. Its totient is φ = 2792400.

The previous prime is 3111863. The next prime is 3111931. The reversal of 3111889 is 9881113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3111889.

It is not an unprimeable number, because it can be changed into a prime (3111809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (429840).

Almost surely, 2^3111889 is an apocalyptic number.

It is an amenable number.

3111889 is a deficient number, since it is larger than the sum of its proper divisors (326831).

3111889 is a wasteful number, since it uses less digits than its factorization.

3111889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its digits is 1728, while the sum is 31.

The square root of 3111889 is about 1764.0547043672. The cubic root of 3111889 is about 145.9961373845.

The spelling of 3111889 in words is "three million, one hundred eleven thousand, eight hundred eighty-nine".