389008 has 20 divisors (see below), whose sum is σ = 773388. Its totient is φ = 189440.

The previous prime is 389003. The next prime is 389023. The reversal of 389008 is 800983.

It can be written as a sum of positive squares in 2 ways, for example, as 110224 + 278784 = 332^2 + 528^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389003) 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, 360 + ... + 952.

2³⁸⁹⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

389008 is a deficient number, since it is larger than the sum of its proper divisors (384380).

389008 is a wasteful number, since it uses less digits than its factorization.

389008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 389008 is about 623.7050585012. The cubic root of 389008 is about 72.9994370383. Note that the first 3 decimals are identical.

The spelling of 389008 in words is "three hundred eighty-nine thousand, eight".