388000 has 48 divisors (see below), whose sum is σ = 963144. Its totient is φ = 153600.

The previous prime is 387977. The next prime is 388009. The reversal of 388000 is 883.

It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 283024 = 324^2 + 532^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (388009) by changing a digit.

388000 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 7 ways as a sum of consecutive naturals, for example, 3952 + ... + 4048.

2³⁸⁸⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481572).

388000 is an abundant number, since it is smaller than the sum of its proper divisors (575144).

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

388000 is an equidigital number, since it uses as much as digits as its factorization.

388000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 388000 is about 622.8964600959. The cubic root of 388000 is about 72.9363302977.

Adding to 388000 its reverse (883), we get a palindrome (388883).

The spelling of 388000 in words is "three hundred eighty-eight thousand".