389553 has 8 divisors (see below), whose sum is σ = 525600. Its totient is φ = 256608.

The previous prime is 389539. The next prime is 389561. The reversal of 389553 is 355983.

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

It is not a de Polignac number, because 389553 - 2⁸ = 389297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389513) 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, 463 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (65700).

2³⁸⁹⁵⁵³ is an apocalyptic number.

It is an amenable number.

389553 is a deficient number, since it is larger than the sum of its proper divisors (136047).

389553 is a wasteful number, since it uses less digits than its factorization.

389553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its digits is 16200, while the sum is 33.

The square root of 389553 is about 624.1418108091. The cubic root of 389553 is about 73.0335118544.

It can be divided in two parts, 38 and 9553, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 389553 in words is "three hundred eighty-nine thousand, five hundred fifty-three".