2016839 has 4 divisors (see below), whose sum is σ = 2200200. Its totient is φ = 1833480.

The previous prime is 2016823. The next prime is 2016841. The reversal of 2016839 is 9386102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2016839 - 2⁴ = 2016823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91664 + ... + 91685.

It is an arithmetic number, because the mean of its divisors is an integer number (550050).

2^2016839 is an apocalyptic number.

2016839 is a deficient number, since it is larger than the sum of its proper divisors (183361).

2016839 is a wasteful number, since it uses less digits than its factorization.

2016839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183360.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2016839 is about 1420.1545690523. The cubic root of 2016839 is about 126.3447140785.

The spelling of 2016839 in words is "two million, sixteen thousand, eight hundred thirty-nine".