388564 has 12 divisors (see below), whose sum is σ = 741888. Its totient is φ = 176600.

The previous prime is 388541. The next prime is 388567. The reversal of 388564 is 465883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4372 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (61824).

2³⁸⁸⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

388564 is a deficient number, since it is larger than the sum of its proper divisors (353324).

388564 is a wasteful number, since it uses less digits than its factorization.

388564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846 (or 8844 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 388564 is about 623.3490194105. The cubic root of 388564 is about 72.9716534716.

The spelling of 388564 in words is "three hundred eighty-eight thousand, five hundred sixty-four".