3876728 has 16 divisors (see below), whose sum is σ = 7290000. Its totient is φ = 1932736.

The previous prime is 3876709. The next prime is 3876739. The reversal of 3876728 is 8276783.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4388 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (455625).

Almost surely, 2^3876728 is an apocalyptic number.

It is an amenable number.

3876728 is a deficient number, since it is larger than the sum of its proper divisors (3413272).

3876728 is a wasteful number, since it uses less digits than its factorization.

3876728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1410 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 3876728 is about 1968.9408320211. The cubic root of 3876728 is about 157.0923767016.

The spelling of 3876728 in words is "three million, eight hundred seventy-six thousand, seven hundred twenty-eight".