389727 has 12 divisors (see below), whose sum is σ = 606424. Its totient is φ = 239760.

The previous prime is 389723. The next prime is 389743. The reversal of 389727 is 727983.

It is not a de Polignac number, because 389727 - 2² = 389723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389691 and 389700.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1549 + ... + 1782.

2³⁸⁹⁷²⁷ is an apocalyptic number.

389727 is a deficient number, since it is larger than the sum of its proper divisors (216697).

389727 is a wasteful number, since it uses less digits than its factorization.

389727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3347 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 389727 is about 624.2811866459. The cubic root of 389727 is about 73.0443840930.

The spelling of 389727 in words is "three hundred eighty-nine thousand, seven hundred twenty-seven".