3845686 has 16 divisors (see below), whose sum is σ = 6250608. Its totient is φ = 1764000.

The previous prime is 3845663. The next prime is 3845693. The reversal of 3845686 is 6865483.

It is a d-powerful number, because it can be written as 3⁵ + 8 + 4⁸ + 5⁵ + 6 + 8⁷ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5136 + ... + 5836.

It is an arithmetic number, because the mean of its divisors is an integer number (390663).

Almost surely, 2^3845686 is an apocalyptic number.

3845686 is a deficient number, since it is larger than the sum of its proper divisors (2404922).

3845686 is a wasteful number, since it uses less digits than its factorization.

3845686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927.

The product of its digits is 138240, while the sum is 40.

The square root of 3845686 is about 1961.0420699210. The cubic root of 3845686 is about 156.6719589782.

The spelling of 3845686 in words is "three million, eight hundred forty-five thousand, six hundred eighty-six".