389617 has 4 divisors (see below), whose sum is σ = 392560. Its totient is φ = 386676.

The previous prime is 389591. The next prime is 389621. The reversal of 389617 is 716983.

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, and also an emirpimes, since its reverse is a distinct semiprime: 716983 = 103 ⋅6961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (98140).

2³⁸⁹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

389617 is a deficient number, since it is larger than the sum of its proper divisors (2943).

389617 is a wasteful number, since it uses less digits than its factorization.

389617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its digits is 9072, while the sum is 34.

The square root of 389617 is about 624.1930791029. The cubic root of 389617 is about 73.0375112150.

The spelling of 389617 in words is "three hundred eighty-nine thousand, six hundred seventeen".