3684386 has 8 divisors (see below), whose sum is σ = 5676060. Its totient is φ = 1792368.

The previous prime is 3684371. The next prime is 3684389. The reversal of 3684386 is 6834863.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 17161 = 1915^2 + 131^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3684389) 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, 24821 + ... + 24968.

Almost surely, 2^3684386 is an apocalyptic number.

3684386 is a deficient number, since it is larger than the sum of its proper divisors (1991674).

3684386 is a wasteful number, since it uses less digits than its factorization.

3684386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49828.

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

The square root of 3684386 is about 1919.4754491788. The cubic root of 3684386 is about 154.4501642417.

The spelling of 3684386 in words is "three million, six hundred eighty-four thousand, three hundred eighty-six".