2065839 has 8 divisors (see below), whose sum is σ = 2770560. Its totient is φ = 1369176.

The previous prime is 2065829. The next prime is 2065841. The reversal of 2065839 is 9385602.

It is a happy number.

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

It is not a de Polignac number, because 2065839 - 2⁵ = 2065807 is a prime.

2065839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065829) 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, 1387 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (346320).

2^2065839 is an apocalyptic number.

2065839 is a deficient number, since it is larger than the sum of its proper divisors (704721).

2065839 is a wasteful number, since it uses less digits than its factorization.

2065839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2065839 is about 1437.3026821098. The cubic root of 2065839 is about 127.3597381045.

The spelling of 2065839 in words is "two million, sixty-five thousand, eight hundred thirty-nine".