2086915 has 4 divisors (see below), whose sum is σ = 2504304. Its totient is φ = 1669528.

The previous prime is 2086907. The next prime is 2086933. The reversal of 2086915 is 5196802.

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

It is a cyclic number.

It is not a de Polignac number, because 2086915 - 2³ = 2086907 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 208687 + ... + 208696.

It is an arithmetic number, because the mean of its divisors is an integer number (626076).

2^2086915 is an apocalyptic number.

2086915 is a deficient number, since it is larger than the sum of its proper divisors (417389).

2086915 is an equidigital number, since it uses as much as digits as its factorization.

2086915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417388.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2086915 is about 1444.6158658965. The cubic root of 2086915 is about 127.7913878943.

The spelling of 2086915 in words is "two million, eighty-six thousand, nine hundred fifteen".