388330 has 8 divisors (see below), whose sum is σ = 699012. Its totient is φ = 155328.

The previous prime is 388319. The next prime is 388351. The reversal of 388330 is 33883.

388330 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 368449 + 19881 = 607^2 + 141^2 .

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

It is an Ulam number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 388295 and 388304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19407 + ... + 19426.

2³⁸⁸³³⁰ is an apocalyptic number.

388330 is a deficient number, since it is larger than the sum of its proper divisors (310682).

388330 is a wasteful number, since it uses less digits than its factorization.

388330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38840.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 388330 is about 623.1612953321. The cubic root of 388330 is about 72.9570022638.

The spelling of 388330 in words is "three hundred eighty-eight thousand, three hundred thirty".