2643039 has 12 divisors (see below), whose sum is σ = 4363216. Its totient is φ = 1510272.

The previous prime is 2643037. The next prime is 2643059. The reversal of 2643039 is 9303462.

2643039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2643039 - 2¹ = 2643037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20914 + ... + 21039.

2^2643039 is an apocalyptic number.

2643039 is a deficient number, since it is larger than the sum of its proper divisors (1720177).

2643039 is a wasteful number, since it uses less digits than its factorization.

2643039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41966 (or 41963 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2643039 is about 1625.7425995526. The cubic root of 2643039 is about 138.2614765272.

The spelling of 2643039 in words is "two million, six hundred forty-three thousand, thirty-nine".