389827 has 8 divisors (see below), whose sum is σ = 431136. Its totient is φ = 350592.

The previous prime is 389819. The next prime is 389839. The reversal of 389827 is 728983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389827 - 2³ = 389819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389867) 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 7 ways as a sum of consecutive naturals, for example, 108 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (53892).

389827 is a Friedman number, since it can be written as (3+2)^8-798, using all its digits and the basic arithmetic operations.

2³⁸⁹⁸²⁷ is an apocalyptic number.

389827 is a deficient number, since it is larger than the sum of its proper divisors (41309).

389827 is a wasteful number, since it uses less digits than its factorization.

389827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its digits is 24192, while the sum is 37.

The square root of 389827 is about 624.3612736229. The cubic root of 389827 is about 73.0506310417.

The spelling of 389827 in words is "three hundred eighty-nine thousand, eight hundred twenty-seven".