3844840 has 32 divisors (see below), whose sum is σ = 9108000. Its totient is φ = 1456704.

The previous prime is 3844829. The next prime is 3844843. The reversal of 3844840 is 484483.

It is not an unprimeable number, because it can be changed into a prime (3844843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (284625).

Almost surely, 2^3844840 is an apocalyptic number.

It is an amenable number.

3844840 is an abundant number, since it is smaller than the sum of its proper divisors (5263160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3844840 is a wasteful number, since it uses less digits than its factorization.

3844840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 3844840 is about 1960.8263564120. The cubic root of 3844840 is about 156.6604695502.

The spelling of 3844840 in words is "three million, eight hundred forty-four thousand, eight hundred forty".