3143844 has 72 divisors (see below), whose sum is σ = 9199008. Its totient is φ = 894720.

The previous prime is 3143813. The next prime is 3143851. The reversal of 3143844 is 4483413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6499 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (127764).

Almost surely, 2^3143844 is an apocalyptic number.

3143844 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4599504).

3143844 is an abundant number, since it is smaller than the sum of its proper divisors (6055164).

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

3143844 is a wasteful number, since it uses less digits than its factorization.

3143844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 500 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 3143844 is about 1773.0888302620. The cubic root of 3143844 is about 146.4941658810.

The spelling of 3143844 in words is "three million, one hundred forty-three thousand, eight hundred forty-four".