2644379 has 4 divisors (see below), whose sum is σ = 2759376. Its totient is φ = 2529384.

The previous prime is 2644357. The next prime is 2644381. The reversal of 2644379 is 9734462.

2644379 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2644379 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6⁴ + 4³ + 4¹⁰ + 3¹³ + 7 + 9² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2644339) 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, 57464 + ... + 57509.

It is an arithmetic number, because the mean of its divisors is an integer number (689844).

2^2644379 is an apocalyptic number.

2644379 is a deficient number, since it is larger than the sum of its proper divisors (114997).

2644379 is a wasteful number, since it uses less digits than its factorization.

2644379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114996.

The product of its digits is 36288, while the sum is 35.

The square root of 2644379 is about 1626.1546666907. The cubic root of 2644379 is about 138.2848384069.

The spelling of 2644379 in words is "two million, six hundred forty-four thousand, three hundred seventy-nine".