382689 has 12 divisors (see below), whose sum is σ = 559572. Its totient is φ = 252000.

The previous prime is 382663. The next prime is 382693. The reversal of 382689 is 986283.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 216225 = 408^2 + 465^2 .

It is not a de Polignac number, because 382689 - 2¹¹ = 380641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382649) 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 11 ways as a sum of consecutive naturals, for example, 699 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (46631).

2³⁸²⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

382689 is a deficient number, since it is larger than the sum of its proper divisors (176883).

382689 is a wasteful number, since it uses less digits than its factorization.

382689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 525 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 382689 is about 618.6186224161. The cubic root of 382689 is about 72.6020125572.

The spelling of 382689 in words is "three hundred eighty-two thousand, six hundred eighty-nine".