388458 has 24 divisors (see below), whose sum is σ = 962208. Its totient is φ = 110952.

The previous prime is 388403. The next prime is 388459. The reversal of 388458 is 854883.

388458 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388458.

It is not an unprimeable number, because it can be changed into a prime (388459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (40092).

2³⁸⁸⁴⁵⁸ is an apocalyptic number.

388458 is an abundant number, since it is smaller than the sum of its proper divisors (573750).

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

388458 is a wasteful number, since it uses less digits than its factorization.

388458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098 (or 3095 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 388458 is about 623.2639890127. The cubic root of 388458 is about 72.9650173287.

The spelling of 388458 in words is "three hundred eighty-eight thousand, four hundred fifty-eight".