3876786 has 24 divisors (see below), whose sum is σ = 8628204. Its totient is φ = 1257120.

The previous prime is 3876781. The next prime is 3876787. The reversal of 3876786 is 6876783.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 690561 = 1785^2 + 831^2 .

It is not an unprimeable number, because it can be changed into a prime (3876781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 3576.

Almost surely, 2^3876786 is an apocalyptic number.

3876786 is an abundant number, since it is smaller than the sum of its proper divisors (4751418).

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

3876786 is a wasteful number, since it uses less digits than its factorization.

3876786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866 (or 5863 counting only the distinct ones).

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

The square root of 3876786 is about 1968.9555606971. The cubic root of 3876786 is about 157.0931601211.

The spelling of 3876786 in words is "three million, eight hundred seventy-six thousand, seven hundred eighty-six".