382889 has 4 divisors (see below), whose sum is σ = 412356. Its totient is φ = 353424.

The previous prime is 382883. The next prime is 382919. The reversal of 382889 is 988283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988283 = 431 ⋅2293.

It can be written as a sum of positive squares in 2 ways, for example, as 115600 + 267289 = 340^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 382889 - 2⁴ = 382873 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 382889.

It is not an unprimeable number, because it can be changed into a prime (382883) 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, 14714 + ... + 14739.

It is an arithmetic number, because the mean of its divisors is an integer number (103089).

2³⁸²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

382889 is a deficient number, since it is larger than the sum of its proper divisors (29467).

382889 is a wasteful number, since it uses less digits than its factorization.

382889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29466.

The product of its digits is 27648, while the sum is 38.

The square root of 382889 is about 618.7802517857. The cubic root of 382889 is about 72.6146580506.

The spelling of 382889 in words is "three hundred eighty-two thousand, eight hundred eighty-nine".