2643293 has 4 divisors (see below), whose sum is σ = 2658240. Its totient is φ = 2628348.

The previous prime is 2643283. The next prime is 2643307. The reversal of 2643293 is 3923462.

2643293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2643293 - 2⁸ = 2643037 is a prime.

It is a d-powerful number, because it can be written as 2³ + 6 + 4¹⁰ + 3⁵ + 2⁷ + 9 + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643283) 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 3 ways as a sum of consecutive naturals, for example, 7205 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (664560).

2^2643293 is an apocalyptic number.

It is an amenable number.

2643293 is a deficient number, since it is larger than the sum of its proper divisors (14947).

2643293 is a wasteful number, since it uses less digits than its factorization.

2643293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946.

The product of its digits is 7776, while the sum is 29.

The square root of 2643293 is about 1625.8207158232. The cubic root of 2643293 is about 138.2659054302.

The spelling of 2643293 in words is "two million, six hundred forty-three thousand, two hundred ninety-three".