2015836 has 6 divisors (see below), whose sum is σ = 3527720. Its totient is φ = 1007916.

The previous prime is 2015833. The next prime is 2015851. The reversal of 2015836 is 6385102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2015836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251976 + ... + 251983.

2^2015836 is an apocalyptic number.

It is an amenable number.

2015836 is a deficient number, since it is larger than the sum of its proper divisors (1511884).

2015836 is a wasteful number, since it uses less digits than its factorization.

2015836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503963 (or 503961 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2015836 is about 1419.8013945619. The cubic root of 2015836 is about 126.3237663213.

The spelling of 2015836 in words is "two million, fifteen thousand, eight hundred thirty-six".