389207 has 18 divisors (see below), whose sum is σ = 500688. Its totient is φ = 301392.

The previous prime is 389189. The next prime is 389219. The reversal of 389207 is 702983.

It is not a de Polignac number, because 389207 - 2¹⁰ = 388183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389207.

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 389207.

It is not an unprimeable number, because it can be changed into a prime (389227) 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 17 ways as a sum of consecutive naturals, for example, 8258 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (27816).

2³⁸⁹²⁰⁷ is an apocalyptic number.

389207 is a deficient number, since it is larger than the sum of its proper divisors (111481).

389207 is a wasteful number, since it uses less digits than its factorization.

389207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 389207 is about 623.8645686365. The cubic root of 389207 is about 73.0118827219.

It can be divided in two parts, 38 and 9207, that multiplied together give a triangular number (349866 = T₈₃₆).

The spelling of 389207 in words is "three hundred eighty-nine thousand, two hundred seven".