4404389 has 8 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 3990400.

The previous prime is 4404347. The next prime is 4404391. The reversal of 4404389 is 9834044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4404389 - 2⁸ = 4404133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404319) 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, 4277 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (602640).

Almost surely, 2^4404389 is an apocalyptic number.

It is an amenable number.

4404389 is a deficient number, since it is larger than the sum of its proper divisors (416731).

4404389 is a wasteful number, since it uses less digits than its factorization.

4404389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4404389 is about 2098.6636224036. The cubic root of 4404389 is about 163.9187208784.

The spelling of 4404389 in words is "four million, four hundred four thousand, three hundred eighty-nine".