2644193 has 4 divisors (see below), whose sum is σ = 2650368. Its totient is φ = 2638020.

The previous prime is 2644183. The next prime is 2644219. The reversal of 2644193 is 3914462.

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 2644193 - 2⁴ = 2644177 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4² + 4¹⁰ + 1 + 9³ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2644153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (662592).

2^2644193 is an apocalyptic number.

It is an amenable number.

2644193 is a deficient number, since it is larger than the sum of its proper divisors (6175).

2644193 is an equidigital number, since it uses as much as digits as its factorization.

2644193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174.

The product of its digits is 5184, while the sum is 29.

The square root of 2644193 is about 1626.0974755530. The cubic root of 2644193 is about 138.2815961103.

The spelling of 2644193 in words is "two million, six hundred forty-four thousand, one hundred ninety-three".