3853686 has 8 divisors (see below), whose sum is σ = 7707384. Its totient is φ = 1284560.

The previous prime is 3853669. The next prime is 3853687. The reversal of 3853686 is 6863583.

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

3853686 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853687) 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, 321135 + ... + 321146.

It is an arithmetic number, because the mean of its divisors is an integer number (963423).

Almost surely, 2^3853686 is an apocalyptic number.

3853686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3853686 is a wasteful number, since it uses less digits than its factorization.

3853686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642286.

The product of its digits is 103680, while the sum is 39.

The square root of 3853686 is about 1963.0807420990. The cubic root of 3853686 is about 156.7805228393.

The spelling of 3853686 in words is "three million, eight hundred fifty-three thousand, six hundred eighty-six".