3886816 has 24 divisors (see below), whose sum is σ = 7986384. Its totient is φ = 1858560.

The previous prime is 3886801. The next prime is 3886819. The reversal of 3886816 is 6186883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886819) 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, 1905 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (332766).

Almost surely, 2^3886816 is an apocalyptic number.

It is an amenable number.

3886816 is an abundant number, since it is smaller than the sum of its proper divisors (4099568).

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

3886816 is a wasteful number, since it uses less digits than its factorization.

3886816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314 (or 5306 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 3886816 is about 1971.5009510523. The cubic root of 3886816 is about 157.2285203149.

The spelling of 3886816 in words is "three million, eight hundred eighty-six thousand, eight hundred sixteen".