2043879 has 4 divisors (see below), whose sum is σ = 2725176. Its totient is φ = 1362584.

The previous prime is 2043869. The next prime is 2043907. The reversal of 2043879 is 9783402.

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 2043879 - 2⁷ = 2043751 is a prime.

It is a D-number.

2043879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043869) 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, 340644 + ... + 340649.

It is an arithmetic number, because the mean of its divisors is an integer number (681294).

2^2043879 is an apocalyptic number.

2043879 is a deficient number, since it is larger than the sum of its proper divisors (681297).

2043879 is an equidigital number, since it uses as much as digits as its factorization.

2043879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2043879 is about 1429.6429624210. The cubic root of 2043879 is about 126.9068488399.

The spelling of 2043879 in words is "two million, forty-three thousand, eight hundred seventy-nine".