2143344 has 40 divisors (see below), whose sum is σ = 6328960. Its totient is φ = 612288.

The previous prime is 2143331. The next prime is 2143369. The reversal of 2143344 is 4433412.

2143344 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2143344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 3525.

It is an arithmetic number, because the mean of its divisors is an integer number (158224).

2^2143344 is an apocalyptic number.

2143344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2143344 is an abundant number, since it is smaller than the sum of its proper divisors (4185616).

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

2143344 is a wasteful number, since it uses less digits than its factorization.

2143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397 (or 6391 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 2143344 is about 1464.0163933508. The cubic root of 2143344 is about 128.9329619832.

Adding to 2143344 its reverse (4433412), we get a palindrome (6576756).

It can be divided in two parts, 21 and 43344, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 2143344 in words is "two million, one hundred forty-three thousand, three hundred forty-four".