3111838644 has 24 divisors (see below), whose sum is σ = 7688072448. Its totient is φ = 976263040.

The previous prime is 3111838637. The next prime is 3111838669. The reversal of 3111838644 is 4468381113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7626852 + ... + 7627259.

It is an arithmetic number, because the mean of its divisors is an integer number (320336352).

Almost surely, 2^3111838644 is an apocalyptic number.

3111838644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3111838644 is an abundant number, since it is smaller than the sum of its proper divisors (4576233804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111838644 is a wasteful number, since it uses less digits than its factorization.

3111838644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15254135 (or 15254133 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 3111838644 is about 55783.8564819608. The cubic root of 3111838644 is about 1459.9534988630.

The spelling of 3111838644 in words is "three billion, one hundred eleven million, eight hundred thirty-eight thousand, six hundred forty-four".