2027839 has 6 divisors (see below), whose sum is σ = 2229080. Its totient is φ = 1843380.

The previous prime is 2027821. The next prime is 2027843. The reversal of 2027839 is 9387202.

It is not a de Polignac number, because 2027839 - 2⁵ = 2027807 is a prime.

It is a super-2 number, since 2×2027839² = 8224262019842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2027839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8259 + ... + 8500.

2^2027839 is an apocalyptic number.

2027839 is a deficient number, since it is larger than the sum of its proper divisors (201241).

2027839 is a wasteful number, since it uses less digits than its factorization.

2027839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16781 (or 16770 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2027839 is about 1424.0221206147. The cubic root of 2027839 is about 126.5739957754.

The spelling of 2027839 in words is "two million, twenty-seven thousand, eight hundred thirty-nine".