389456 has 20 divisors (see below), whose sum is σ = 765204. Its totient is φ = 192000.

The previous prime is 389447. The next prime is 389461. The reversal of 389456 is 654983.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 48400 = 584^2 + 220^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

389456 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 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 1736.

2³⁸⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

389456 is a deficient number, since it is larger than the sum of its proper divisors (375748).

389456 is a wasteful number, since it uses less digits than its factorization.

389456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 344 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 389456 is about 624.0640992719. The cubic root of 389456 is about 73.0274494882.

The spelling of 389456 in words is "three hundred eighty-nine thousand, four hundred fifty-six".