388533 has 8 divisors (see below), whose sum is σ = 526048. Its totient is φ = 255024.

The previous prime is 388529. The next prime is 388541. The reversal of 388533 is 335883.

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

It is not a de Polignac number, because 388533 - 2² = 388529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 388533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (65756).

2³⁸⁸⁵³³ is an apocalyptic number.

It is an amenable number.

388533 is a deficient number, since it is larger than the sum of its proper divisors (137515).

388533 is a wasteful number, since it uses less digits than its factorization.

388533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003.

The product of its digits is 8640, while the sum is 30.

The square root of 388533 is about 623.3241532301. The cubic root of 388533 is about 72.9697128377.

Subtracting from 388533 its reverse (335883), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 388533 in words is "three hundred eighty-eight thousand, five hundred thirty-three".