389834 has 4 divisors (see below), whose sum is σ = 584754. Its totient is φ = 194916.

The previous prime is 389819. The next prime is 389839. The reversal of 389834 is 438983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 124609 = 515^2 + 353^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 389794 and 389803.

It is not an unprimeable number, because it can be changed into a prime (389839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97457 + ... + 97460.

2³⁸⁹⁸³⁴ is an apocalyptic number.

389834 is a deficient number, since it is larger than the sum of its proper divisors (194920).

389834 is a wasteful number, since it uses less digits than its factorization.

389834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194919.

The product of its digits is 20736, while the sum is 35.

The square root of 389834 is about 624.3668793266. The cubic root of 389834 is about 73.0510682881.

The spelling of 389834 in words is "three hundred eighty-nine thousand, eight hundred thirty-four".