3788644 has 12 divisors (see below), whose sum is σ = 6784624. Its totient is φ = 1850184.

The previous prime is 3788639. The next prime is 3788663. The reversal of 3788644 is 4468873.

3788644 is nontrivially palindromic in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 3788597 and 3788606.

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, 10842 + ... + 11185.

Almost surely, 2^3788644 is an apocalyptic number.

It is an amenable number.

3788644 is a deficient number, since it is larger than the sum of its proper divisors (2995980).

3788644 is a wasteful number, since it uses less digits than its factorization.

3788644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22074 (or 22072 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 3788644 is about 1946.4439370298. The cubic root of 3788644 is about 155.8934731860.

The spelling of 3788644 in words is "three million, seven hundred eighty-eight thousand, six hundred forty-four".