2644293 has 8 divisors (see below), whose sum is σ = 3544768. Its totient is φ = 1753344.

The previous prime is 2644277. The next prime is 2644339. The reversal of 2644293 is 3924462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2644293 - 2⁴ = 2644277 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2644293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (443096).

2^2644293 is an apocalyptic number.

It is an amenable number.

2644293 is a deficient number, since it is larger than the sum of its proper divisors (900475).

2644293 is a wasteful number, since it uses less digits than its factorization.

2644293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its digits is 10368, while the sum is 30.

The square root of 2644293 is about 1626.1282237265. The cubic root of 2644293 is about 138.2833392994.

The spelling of 2644293 in words is "two million, six hundred forty-four thousand, two hundred ninety-three".