389441 has 8 divisors (see below), whose sum is σ = 434280. Its totient is φ = 346752.

The previous prime is 389437. The next prime is 389447. The reversal of 389441 is 144983.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 297025 = 304^2 + 545^2 .

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 389441 - 2² = 389437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389447) 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, 140 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (54285).

2³⁸⁹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

389441 is a deficient number, since it is larger than the sum of its proper divisors (44839).

389441 is a wasteful number, since it uses less digits than its factorization.

389441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 3456, while the sum is 29.

The square root of 389441 is about 624.0520811599. The cubic root of 389441 is about 73.0265119191.

The spelling of 389441 in words is "three hundred eighty-nine thousand, four hundred forty-one".