389449 has 4 divisors (see below), whose sum is σ = 391680. Its totient is φ = 387220.

The previous prime is 389447. The next prime is 389461. The reversal of 389449 is 944983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 389449 - 2¹ = 389447 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 829 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (97920).

2³⁸⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

389449 is a deficient number, since it is larger than the sum of its proper divisors (2231).

389449 is a wasteful number, since it uses less digits than its factorization.

389449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 31104, while the sum is 37.

The square root of 389449 is about 624.0584908484. The cubic root of 389449 is about 73.0270119590.

It can be divided in two parts, 389 and 449, that added together give a palindrome (838).

The spelling of 389449 in words is "three hundred eighty-nine thousand, four hundred forty-nine".