388528 has 20 divisors (see below), whose sum is σ = 860560. Its totient is φ = 166464.

The previous prime is 388519. The next prime is 388529. The reversal of 388528 is 825883.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 388493 and 388502.

It is not an unprimeable number, because it can be changed into a prime (388529) 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, 1623 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (43028).

2³⁸⁸⁵²⁸ is an apocalyptic number.

It is an amenable number.

388528 is an abundant number, since it is smaller than the sum of its proper divisors (472032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388528 is a wasteful number, since it uses less digits than its factorization.

388528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3478 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 388528 is about 623.3201424629. The cubic root of 388528 is about 72.9693998226.

The spelling of 388528 in words is "three hundred eighty-eight thousand, five hundred twenty-eight".