3877866 has 24 divisors (see below), whose sum is σ = 8492484. Its totient is φ = 1278720.

The previous prime is 3877849. The next prime is 3877871. The reversal of 3877866 is 6687783.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 16641 = 1965^2 + 129^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636 + ... + 2856.

Almost surely, 2^3877866 is an apocalyptic number.

3877866 is an abundant number, since it is smaller than the sum of its proper divisors (4614618).

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

3877866 is a wasteful number, since it uses less digits than its factorization.

3877866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2323 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 3877866 is about 1969.2297986776. The cubic root of 3877866 is about 157.1077465044.

The spelling of 3877866 in words is "three million, eight hundred seventy-seven thousand, eight hundred sixty-six".