3873656 has 8 divisors (see below), whose sum is σ = 7263120. Its totient is φ = 1936824.

The previous prime is 3873647. The next prime is 3873659. The reversal of 3873656 is 6563783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873659) 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 as a sum of consecutive naturals, namely, 242096 + ... + 242111.

It is an arithmetic number, because the mean of its divisors is an integer number (907890).

Almost surely, 2^3873656 is an apocalyptic number.

It is an amenable number.

3873656 is a deficient number, since it is larger than the sum of its proper divisors (3389464).

3873656 is a wasteful number, since it uses less digits than its factorization.

3873656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484213 (or 484209 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 3873656 is about 1968.1605625558. The cubic root of 3873656 is about 157.0508713129.

The spelling of 3873656 in words is "three million, eight hundred seventy-three thousand, six hundred fifty-six".