2042339 has 4 divisors (see below), whose sum is σ = 2199456. Its totient is φ = 1885224.

The previous prime is 2042323. The next prime is 2042347. The reversal of 2042339 is 9332402.

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 2042339 - 2⁴ = 2042323 is a prime.

It is a super-2 number, since 2×2042339² = 8342297181842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78539 + ... + 78564.

It is an arithmetic number, because the mean of its divisors is an integer number (549864).

2^2042339 is an apocalyptic number.

2042339 is a deficient number, since it is larger than the sum of its proper divisors (157117).

2042339 is a wasteful number, since it uses less digits than its factorization.

2042339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157116.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2042339 is about 1429.1042649156. The cubic root of 2042339 is about 126.8749673615.

The spelling of 2042339 in words is "two million, forty-two thousand, three hundred thirty-nine".