389444 has 24 divisors (see below), whose sum is σ = 762048. Its totient is φ = 172640.

The previous prime is 389437. The next prime is 389447. The reversal of 389444 is 444983.

It is a d-powerful number, because it can be written as 3⁷ + 8³ + 4² + 9⁵ + 4⁸ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 389444.

It is not an unprimeable number, because it can be changed into a prime (389447) by changing a digit.

389444 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2³⁸⁹⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

389444 is a deficient number, since it is larger than the sum of its proper divisors (372604).

389444 is a wasteful number, since it uses less digits than its factorization.

389444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 233 counting only the distinct ones).

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

The square root of 389444 is about 624.0544848008. The cubic root of 389444 is about 73.0266994348.

The spelling of 389444 in words is "three hundred eighty-nine thousand, four hundred forty-four".