3876660 has 60 divisors (see below), whose sum is σ = 12166308. Its totient is φ = 1033344.

The previous prime is 3876659. The next prime is 3876661. The reversal of 3876660 is 666783.

It is a happy number.

3876660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3876659) and next prime (3876661).

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 3305124 = 756^2 + 1818^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 424 + ... + 2816.

Almost surely, 2^3876660 is an apocalyptic number.

3876660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3876660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6083154).

3876660 is an abundant number, since it is smaller than the sum of its proper divisors (8289648).

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

3876660 is a wasteful number, since it uses less digits than its factorization.

3876660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3876660 is about 1968.9235637779. The cubic root of 3876660 is about 157.0914581999.

The spelling of 3876660 in words is "three million, eight hundred seventy-six thousand, six hundred sixty".