2243879 has 4 divisors (see below), whose sum is σ = 2447880. Its totient is φ = 2039880.

The previous prime is 2243851. The next prime is 2243887. The reversal of 2243879 is 9783422.

2243879 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 not a de Polignac number, because 2243879 - 2⁸ = 2243623 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 4 + 3⁸ + 8⁷ + 7⁴ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243809) 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, 101984 + ... + 102005.

It is an arithmetic number, because the mean of its divisors is an integer number (611970).

2^2243879 is an apocalyptic number.

2243879 is a deficient number, since it is larger than the sum of its proper divisors (204001).

2243879 is a wasteful number, since it uses less digits than its factorization.

2243879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204000.

The product of its digits is 24192, while the sum is 35.

The square root of 2243879 is about 1497.9582771226. The cubic root of 2243879 is about 130.9181354377.

The spelling of 2243879 in words is "two million, two hundred forty-three thousand, eight hundred seventy-nine".