2143268 has 12 divisors (see below), whose sum is σ = 3763200. Its totient is φ = 1068072.

The previous prime is 2143261. The next prime is 2143279. The reversal of 2143268 is 8623412.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (313600).

2^2143268 is an apocalyptic number.

It is an amenable number.

2143268 is a deficient number, since it is larger than the sum of its proper divisors (1619932).

2143268 is a wasteful number, since it uses less digits than its factorization.

2143268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1784 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2143268 is about 1463.9904371272. The cubic root of 2143268 is about 128.9314380373.

The spelling of 2143268 in words is "two million, one hundred forty-three thousand, two hundred sixty-eight".