389237 has 4 divisors (see below), whose sum is σ = 393120. Its totient is φ = 385356.

The previous prime is 389231. The next prime is 389269. The reversal of 389237 is 732983.

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: 732983 = 227 ⋅3229.

It is a cyclic number.

It is not a de Polignac number, because 389237 - 2⁶ = 389173 is a prime.

It is a Duffinian number.

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 389237.

It is not an unprimeable number, because it can be changed into a prime (389231) 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, 1787 + ... + 1992.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

2³⁸⁹²³⁷ is an apocalyptic number.

It is an amenable number.

389237 is a deficient number, since it is larger than the sum of its proper divisors (3883).

389237 is a wasteful number, since it uses less digits than its factorization.

389237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882.

The product of its digits is 9072, while the sum is 32.

The square root of 389237 is about 623.8886118531. Note that the first 3 decimals coincide. The cubic root of 389237 is about 73.0137585877.

It can be divided in two parts, 389 and 237, that added together give a palindrome (626).

The spelling of 389237 in words is "three hundred eighty-nine thousand, two hundred thirty-seven".