3872680 has 32 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 1327680.

The previous prime is 3872677. The next prime is 3872681. The reversal of 3872680 is 862783.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3872681) 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, 6636 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^3872680 is an apocalyptic number.

It is an amenable number.

3872680 is an abundant number, since it is smaller than the sum of its proper divisors (6086360).

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

3872680 is a wasteful number, since it uses less digits than its factorization.

3872680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13849 (or 13845 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3872680 is about 1967.9125996853. The cubic root of 3872680 is about 157.0376801118.

The spelling of 3872680 in words is "three million, eight hundred seventy-two thousand, six hundred eighty".