389717 has 4 divisors (see below), whose sum is σ = 391776. Its totient is φ = 387660.

The previous prime is 389713. The next prime is 389723. The reversal of 389717 is 717983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 389717 - 2² = 389713 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389713) 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 in 3 ways as a sum of consecutive naturals, for example, 713 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (97944).

2³⁸⁹⁷¹⁷ is an apocalyptic number.

It is an amenable number.

389717 is a deficient number, since it is larger than the sum of its proper divisors (2059).

389717 is a wasteful number, since it uses less digits than its factorization.

389717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058.

The product of its digits is 10584, while the sum is 35.

The square root of 389717 is about 624.2731773831. The cubic root of 389717 is about 73.0437593393.

The spelling of 389717 in words is "three hundred eighty-nine thousand, seven hundred seventeen".