2015893 has 4 divisors (see below), whose sum is σ = 2199168. Its totient is φ = 1832620.

The previous prime is 2015879. The next prime is 2015921. The reversal of 2015893 is 3985102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2015893 - 2⁵ = 2015861 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 (2015833) 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 in 3 ways as a sum of consecutive naturals, for example, 91621 + ... + 91642.

It is an arithmetic number, because the mean of its divisors is an integer number (549792).

2^2015893 is an apocalyptic number.

It is an amenable number.

2015893 is a deficient number, since it is larger than the sum of its proper divisors (183275).

2015893 is a wasteful number, since it uses less digits than its factorization.

2015893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183274.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2015893 is about 1419.8214676501. The cubic root of 2015893 is about 126.3249569583.

The spelling of 2015893 in words is "two million, fifteen thousand, eight hundred ninety-three".