388834 has 8 divisors (see below), whose sum is σ = 585900. Its totient is φ = 193536.

The previous prime is 388823. The next prime is 388837. The reversal of 388834 is 438883.

It is a happy number.

388834 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 378225 + 10609 = 615^2 + 103^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 388834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388837) 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, 642 + ... + 1090.

2³⁸⁸⁸³⁴ is an apocalyptic number.

388834 is a deficient number, since it is larger than the sum of its proper divisors (197066).

388834 is a wasteful number, since it uses less digits than its factorization.

388834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 18432, while the sum is 34.

The square root of 388834 is about 623.5655538915. The cubic root of 388834 is about 72.9885514041.

The spelling of 388834 in words is "three hundred eighty-eight thousand, eight hundred thirty-four".