3847664 has 10 divisors (see below), whose sum is σ = 7454880. Its totient is φ = 1923824.

The previous prime is 3847663. The next prime is 3847673. The reversal of 3847664 is 4667483.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847663) 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, 120224 + ... + 120255.

It is an arithmetic number, because the mean of its divisors is an integer number (745488).

Almost surely, 2^3847664 is an apocalyptic number.

It is an amenable number.

3847664 is a deficient number, since it is larger than the sum of its proper divisors (3607216).

3847664 is a wasteful number, since it uses less digits than its factorization.

3847664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240487 (or 240481 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 3847664 is about 1961.5463287927. The cubic root of 3847664 is about 156.6988153933.

The spelling of 3847664 in words is "three million, eight hundred forty-seven thousand, six hundred sixty-four".