2042439 has 8 divisors (see below), whose sum is σ = 3112320. Its totient is φ = 1167096.

The previous prime is 2042429. The next prime is 2042449. The reversal of 2042439 is 9342402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2042429) and next prime (2042449).

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

It is not a de Polignac number, because 2042439 - 2¹⁶ = 1976903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042419) 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, 48609 + ... + 48650.

It is an arithmetic number, because the mean of its divisors is an integer number (389040).

2^2042439 is an apocalyptic number.

2042439 is a deficient number, since it is larger than the sum of its proper divisors (1069881).

2042439 is an equidigital number, since it uses as much as digits as its factorization.

2042439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97269.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2042439 is about 1429.1392514377. The cubic root of 2042439 is about 126.8770380738.

The spelling of 2042439 in words is "two million, forty-two thousand, four hundred thirty-nine".