2086667 has 4 divisors (see below), whose sum is σ = 2276376. Its totient is φ = 1896960.

The previous prime is 2086657. The next prime is 2086673. The reversal of 2086667 is 7666802.

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 2086667 - 2¹⁴ = 2070283 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086657) 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, 94838 + ... + 94859.

It is an arithmetic number, because the mean of its divisors is an integer number (569094).

2^2086667 is an apocalyptic number.

2086667 is a deficient number, since it is larger than the sum of its proper divisors (189709).

2086667 is a wasteful number, since it uses less digits than its factorization.

2086667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189708.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2086667 is about 1444.5300273791. The cubic root of 2086667 is about 127.7863256341.

The spelling of 2086667 in words is "two million, eighty-six thousand, six hundred sixty-seven".