3986770 has 16 divisors (see below), whose sum is σ = 7554240. Its totient is φ = 1510704.

The previous prime is 3986767. The next prime is 3986771. The reversal of 3986770 is 776893.

It is not an unprimeable number, because it can be changed into a prime (3986771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10302 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (472140).

Almost surely, 2^3986770 is an apocalyptic number.

3986770 is a deficient number, since it is larger than the sum of its proper divisors (3567470).

3986770 is a wasteful number, since it uses less digits than its factorization.

3986770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21009.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3986770 is about 1996.6897605787. The cubic root of 3986770 is about 158.5649009259.

The spelling of 3986770 in words is "three million, nine hundred eighty-six thousand, seven hundred seventy".