394589 has 8 divisors (see below), whose sum is σ = 430080. Its totient is φ = 359856.

The previous prime is 394579. The next prime is 394601. The reversal of 394589 is 985493.

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 394589 - 2¹² = 390493 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 (394529) 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, 1532 + ... + 1770.

It is an arithmetic number, because the mean of its divisors is an integer number (53760).

2³⁹⁴⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

394589 is a deficient number, since it is larger than the sum of its proper divisors (35491).

394589 is a wasteful number, since it uses less digits than its factorization.

394589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its digits is 38880, while the sum is 38.

The square root of 394589 is about 628.1631953561. The cubic root of 394589 is about 73.3468822532.

The spelling of 394589 in words is "three hundred ninety-four thousand, five hundred eighty-nine".