389726 has 4 divisors (see below), whose sum is σ = 584592. Its totient is φ = 194862.

The previous prime is 389723. The next prime is 389743. The reversal of 389726 is 627983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627983 = 107 ⋅5869.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389726.

It is not an unprimeable number, because it can be changed into a prime (389723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97430 + ... + 97433.

It is an arithmetic number, because the mean of its divisors is an integer number (146148).

2³⁸⁹⁷²⁶ is an apocalyptic number.

389726 is a deficient number, since it is larger than the sum of its proper divisors (194866).

389726 is a wasteful number, since it uses less digits than its factorization.

389726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194865.

The product of its digits is 18144, while the sum is 35.

The square root of 389726 is about 624.2803857242. The cubic root of 389726 is about 73.0443216181.

The spelling of 389726 in words is "three hundred eighty-nine thousand, seven hundred twenty-six".