3895686 has 48 divisors (see below), whose sum is σ = 9266400. Its totient is φ = 1177344.

The previous prime is 3895681. The next prime is 3895691. The reversal of 3895686 is 6865983.

3895686 is a `hidden beast` number, since 3 + 89 + 568 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (3895681) and next prime (3895691).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8655 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (193050).

Almost surely, 2^3895686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3895686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4633200).

3895686 is an abundant number, since it is smaller than the sum of its proper divisors (5370714).

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

3895686 is a wasteful number, since it uses less digits than its factorization.

3895686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 490 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3895686 is about 1973.7492241924. The cubic root of 3895686 is about 157.3480317989.

The spelling of 3895686 in words is "three million, eight hundred ninety-five thousand, six hundred eighty-six".