388578 has 8 divisors (see below), whose sum is σ = 777168. Its totient is φ = 129524.

The previous prime is 388573. The next prime is 388621. The reversal of 388578 is 875883.

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

388578 is an admirable number.

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

388578 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32376 + ... + 32387.

It is an arithmetic number, because the mean of its divisors is an integer number (97146).

2³⁸⁸⁵⁷⁸ is an apocalyptic number.

388578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

388578 is a wasteful number, since it uses less digits than its factorization.

388578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64768.

The product of its digits is 53760, while the sum is 39.

The square root of 388578 is about 623.3602489733. The cubic root of 388578 is about 72.9725298531.

The spelling of 388578 in words is "three hundred eighty-eight thousand, five hundred seventy-eight".