2043306 has 20 divisors (see below), whose sum is σ = 4578882. Its totient is φ = 681048.

The previous prime is 2043289. The next prime is 2043313. The reversal of 2043306 is 6033402.

It can be written as a sum of positive squares in only one way, i.e., 1798281 + 245025 = 1341^2 + 495^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 9 ways as a sum of consecutive naturals, for example, 6145 + ... + 6468.

2^2043306 is an apocalyptic number.

2043306 is an abundant number, since it is smaller than the sum of its proper divisors (2535576).

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

2043306 is a wasteful number, since it uses less digits than its factorization.

2043306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627 (or 12618 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2043306 is about 1429.4425486881. The cubic root of 2043306 is about 126.8949883171.

Adding to 2043306 its reverse (6033402), we get a palindrome (8076708).

The spelling of 2043306 in words is "two million, forty-three thousand, three hundred six".