2143300 has 18 divisors (see below), whose sum is σ = 4651178. Its totient is φ = 857280.

The previous prime is 2143279. The next prime is 2143313. The reversal of 2143300 is 33412.

It can be written as a sum of positive squares in 3 ways, for example, as 4 + 2143296 = 2^2 + 1464^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10617 + ... + 10816.

2^2143300 is an apocalyptic number.

2143300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143300 is an abundant number, since it is smaller than the sum of its proper divisors (2507878).

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

2143300 is a wasteful number, since it uses less digits than its factorization.

2143300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447 (or 21440 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2143300 is about 1464.0013661196. The cubic root of 2143300 is about 128.9320797031.

Adding to 2143300 its reverse (33412), we get a palindrome (2176712).

The spelling of 2143300 in words is "two million, one hundred forty-three thousand, three hundred".