3844390 has 16 divisors (see below), whose sum is σ = 7549200. Its totient is φ = 1397920.

The previous prime is 3844343. The next prime is 3844391. The reversal of 3844390 is 934483.

3844390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3844391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17365 + ... + 17584.

It is an arithmetic number, because the mean of its divisors is an integer number (471825).

Almost surely, 2^3844390 is an apocalyptic number.

3844390 is a deficient number, since it is larger than the sum of its proper divisors (3704810).

3844390 is a wasteful number, since it uses less digits than its factorization.

3844390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34967.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3844390 is about 1960.7116055147. The cubic root of 3844390 is about 156.6543574656.

It can be divided in two parts, 384 and 4390, that added together give a palindrome (4774).

The spelling of 3844390 in words is "three million, eight hundred forty-four thousand, three hundred ninety".