2030839 has 4 divisors (see below), whose sum is σ = 2065320. Its totient is φ = 1996360.

The previous prime is 2030789. The next prime is 2030879. The reversal of 2030839 is 9380302.

It is a happy number.

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 2030839 - 2⁷ = 2030711 is a prime.

It is a Duffinian number.

2030839 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17152 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (516330).

2^2030839 is an apocalyptic number.

2030839 is a deficient number, since it is larger than the sum of its proper divisors (34481).

2030839 is an equidigital number, since it uses as much as digits as its factorization.

2030839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34480.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2030839 is about 1425.0750857411. The cubic root of 2030839 is about 126.6363831882.

The spelling of 2030839 in words is "two million, thirty thousand, eight hundred thirty-nine".