2005915 has 8 divisors (see below), whose sum is σ = 2548800. Its totient is φ = 1510272.

The previous prime is 2005903. The next prime is 2005919. The reversal of 2005915 is 5195002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005915 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005919) 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, 11715 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

2^2005915 is an apocalyptic number.

2005915 is a deficient number, since it is larger than the sum of its proper divisors (542885).

2005915 is a wasteful number, since it uses less digits than its factorization.

2005915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23621.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2005915 is about 1416.3032867292. The cubic root of 2005915 is about 126.1161899595.

The spelling of 2005915 in words is "two million, five thousand, nine hundred fifteen".