4086691 has 8 divisors (see below), whose sum is σ = 4916480. Its totient is φ = 3318408.

The previous prime is 4086683. The next prime is 4086713. The reversal of 4086691 is 1966804.

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

It is a cyclic number.

It is not a de Polignac number, because 4086691 - 2³ = 4086683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4086611) 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, 15231 + ... + 15496.

It is an arithmetic number, because the mean of its divisors is an integer number (614560).

Almost surely, 2^4086691 is an apocalyptic number.

4086691 is a deficient number, since it is larger than the sum of its proper divisors (829789).

4086691 is a wasteful number, since it uses less digits than its factorization.

4086691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30753.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4086691 is about 2021.5565784810. The cubic root of 4086691 is about 159.8786971208.

The spelling of 4086691 in words is "four million, eighty-six thousand, six hundred ninety-one".