2043939 has 8 divisors (see below), whose sum is σ = 2732800. Its totient is φ = 1358856.

The previous prime is 2043931. The next prime is 2043953. The reversal of 2043939 is 9393402.

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

It is not a de Polignac number, because 2043939 - 2³ = 2043931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043931) 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, 762 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (341600).

2^2043939 is an apocalyptic number.

2043939 is a deficient number, since it is larger than the sum of its proper divisors (688861).

2043939 is a wasteful number, since it uses less digits than its factorization.

2043939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 2043939 is about 1429.6639465273. The cubic root of 2043939 is about 126.9080906513.

It can be divided in two parts, 204393 and 9, that added together give a palindrome (204402).

The spelling of 2043939 in words is "two million, forty-three thousand, nine hundred thirty-nine".