3873644 has 12 divisors (see below), whose sum is σ = 7135800. Its totient is φ = 1834848.

The previous prime is 3873631. The next prime is 3873647. The reversal of 3873644 is 4463783.

It is not an unprimeable number, because it can be changed into a prime (3873647) 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 3 ways as a sum of consecutive naturals, for example, 25409 + ... + 25560.

It is an arithmetic number, because the mean of its divisors is an integer number (594650).

Almost surely, 2^3873644 is an apocalyptic number.

It is an amenable number.

3873644 is a deficient number, since it is larger than the sum of its proper divisors (3262156).

3873644 is a wasteful number, since it uses less digits than its factorization.

3873644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50992 (or 50990 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 3873644 is about 1968.1575140217. The cubic root of 3873644 is about 157.0507091394.

The spelling of 3873644 in words is "three million, eight hundred seventy-three thousand, six hundred forty-four".