3904443 has 40 divisors (see below), whose sum is σ = 6388800. Its totient is φ = 2367792.

The previous prime is 3904409. The next prime is 3904447. The reversal of 3904443 is 3444093.

It is not a de Polignac number, because 3904443 - 2⁶ = 3904379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3904447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66148 + ... + 66206.

It is an arithmetic number, because the mean of its divisors is an integer number (159720).

Almost surely, 2^3904443 is an apocalyptic number.

3904443 is a deficient number, since it is larger than the sum of its proper divisors (2484357).

3904443 is a wasteful number, since it uses less digits than its factorization.

3904443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3904443 is about 1975.9663458673. The cubic root of 3904443 is about 157.4658429330.

The spelling of 3904443 in words is "three million, nine hundred four thousand, four hundred forty-three".