3966786 has 16 divisors (see below), whose sum is σ = 8815200. Its totient is φ = 1322244.

The previous prime is 3966779. The next prime is 3966799. The reversal of 3966786 is 6876693.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36676 + ... + 36783.

It is an arithmetic number, because the mean of its divisors is an integer number (550950).

Almost surely, 2^3966786 is an apocalyptic number.

3966786 is an abundant number, since it is smaller than the sum of its proper divisors (4848414).

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

3966786 is a wasteful number, since it uses less digits than its factorization.

3966786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73470 (or 73464 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3966786 is about 1991.6791910345. The cubic root of 3966786 is about 158.2995173089.

The spelling of 3966786 in words is "three million, nine hundred sixty-six thousand, seven hundred eighty-six".