3684863 has 8 divisors (see below), whose sum is σ = 4535328. Its totient is φ = 2915424.

The previous prime is 3684859. The next prime is 3684871.

3684863 is nontrivially palindromic in base 10.

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 3684863 - 2² = 3684859 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684833) 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, 20156 + ... + 20337.

It is an arithmetic number, because the mean of its divisors is an integer number (566916).

Almost surely, 2^3684863 is an apocalyptic number.

3684863 is a deficient number, since it is larger than the sum of its proper divisors (850465).

3684863 is a wasteful number, since it uses less digits than its factorization.

3684863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40513.

The product of its digits is 82944, while the sum is 38.

The square root of 3684863 is about 1919.5996978537. The cubic root of 3684863 is about 154.4568292645.

The spelling of 3684863 in words is "three million, six hundred eighty-four thousand, eight hundred sixty-three".