389734 has 4 divisors (see below), whose sum is σ = 584604. Its totient is φ = 194866.

The previous prime is 389723. The next prime is 389743. The reversal of 389734 is 437983.

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

It is a self number, because there is not a number n which added to its sum of digits gives 389734.

It is a congruent number.

It is an unprimeable number.

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, 97432 + ... + 97435.

It is an arithmetic number, because the mean of its divisors is an integer number (146151).

2³⁸⁹⁷³⁴ is an apocalyptic number.

389734 is a deficient number, since it is larger than the sum of its proper divisors (194870).

389734 is a wasteful number, since it uses less digits than its factorization.

389734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194869.

The product of its digits is 18144, while the sum is 34.

The square root of 389734 is about 624.2867930687. The cubic root of 389734 is about 73.0448214141.

The spelling of 389734 in words is "three hundred eighty-nine thousand, seven hundred thirty-four".