2239839 has 24 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 1279152.

The previous prime is 2239807. The next prime is 2239847. The reversal of 2239839 is 9389322.

2239839 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2239839 - 2⁵ = 2239807 is a prime.

2239839 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477 + ... + 2169.

It is an arithmetic number, because the mean of its divisors is an integer number (160930).

2^2239839 is an apocalyptic number.

2239839 is a deficient number, since it is larger than the sum of its proper divisors (1622481).

2239839 is a wasteful number, since it uses less digits than its factorization.

2239839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1703 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2239839 is about 1496.6091674181. The cubic root of 2239839 is about 130.8395175606.

The spelling of 2239839 in words is "two million, two hundred thirty-nine thousand, eight hundred thirty-nine".