388858 has 8 divisors (see below), whose sum is σ = 617652. Its totient is φ = 182976.

The previous prime is 388837. The next prime is 388859. The reversal of 388858 is 858883.

388858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 729 = 623^2 + 27^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 388858.

It is not an unprimeable number, because it can be changed into a prime (388859) 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, 5685 + ... + 5752.

2³⁸⁸⁸⁵⁸ is an apocalyptic number.

388858 is a deficient number, since it is larger than the sum of its proper divisors (228794).

388858 is a wasteful number, since it uses less digits than its factorization.

388858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456.

The product of its digits is 61440, while the sum is 40.

The square root of 388858 is about 623.5847977621. The cubic root of 388858 is about 72.9900530639.

The spelling of 388858 in words is "three hundred eighty-eight thousand, eight hundred fifty-eight".