2015838 has 24 divisors (see below), whose sum is σ = 4765176. Its totient is φ = 610800.

The previous prime is 2015833. The next prime is 2015851. The reversal of 2015838 is 8385102.

It is a happy number.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4893 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (198549).

2^2015838 is an apocalyptic number.

2015838 is an abundant number, since it is smaller than the sum of its proper divisors (2749338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015838 is a wasteful number, since it uses less digits than its factorization.

2015838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2015838 is about 1419.8020988856. The cubic root of 2015838 is about 126.3238080984.

The spelling of 2015838 in words is "two million, fifteen thousand, eight hundred thirty-eight".