4086667 has 4 divisors (see below), whose sum is σ = 4401040. Its totient is φ = 3772296.

The previous prime is 4086631. The next prime is 4086673. The reversal of 4086667 is 7666804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4086667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4086167) 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, 157167 + ... + 157192.

It is an arithmetic number, because the mean of its divisors is an integer number (1100260).

Almost surely, 2^4086667 is an apocalyptic number.

4086667 is a deficient number, since it is larger than the sum of its proper divisors (314373).

4086667 is a wasteful number, since it uses less digits than its factorization.

4086667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314372.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 4086667 is about 2021.5506424525. The cubic root of 4086667 is about 159.8783841458.

It can be divided in two parts, 4086 and 667, that added together give a triangular number (4753 = T₉₇).

The spelling of 4086667 in words is "four million, eighty-six thousand, six hundred sixty-seven".