2086867 has 4 divisors (see below), whose sum is σ = 2093040. Its totient is φ = 2080696.

The previous prime is 2086853. The next prime is 2086879. The reversal of 2086867 is 7686802.

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 2086867 - 2⁷ = 2086739 is a prime.

It is a Duffinian number.

2086867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2086817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

2^2086867 is an apocalyptic number.

2086867 is a deficient number, since it is larger than the sum of its proper divisors (6173).

2086867 is an equidigital number, since it uses as much as digits as its factorization.

2086867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2086867 is about 1444.5992523880. The cubic root of 2086867 is about 127.7904081333.

The spelling of 2086867 in words is "two million, eighty-six thousand, eight hundred sixty-seven".