3845684 has 12 divisors (see below), whose sum is σ = 6840708. Its totient is φ = 1891200.

The previous prime is 3845663. The next prime is 3845693. The reversal of 3845684 is 4865483.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 2788900 = 1028^2 + 1670^2 .

It is a d-powerful number, because it can be written as 3⁵ + 8 + 4 + 5⁵ + 6⁸ + 8⁷ + 4⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7637 + ... + 8124.

It is an arithmetic number, because the mean of its divisors is an integer number (570059).

Almost surely, 2^3845684 is an apocalyptic number.

It is an amenable number.

3845684 is a deficient number, since it is larger than the sum of its proper divisors (2995024).

3845684 is a wasteful number, since it uses less digits than its factorization.

3845684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826 (or 15824 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 3845684 is about 1961.0415599880. The cubic root of 3845684 is about 156.6719318184.

The spelling of 3845684 in words is "three million, eight hundred forty-five thousand, six hundred eighty-four".