388276 has 24 divisors (see below), whose sum is σ = 795200. Its totient is φ = 165816.

The previous prime is 388273. The next prime is 388277. The reversal of 388276 is 672883.

It is a happy number.

It is a super-3 number, since 3×388276³ = 175607433365665728, which contains 333 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231 + ... + 1513.

2³⁸⁸²⁷⁶ 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 388276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397600).

388276 is an abundant number, since it is smaller than the sum of its proper divisors (406924).

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

388276 is a wasteful number, since it uses less digits than its factorization.

388276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 292 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 388276 is about 623.1179663595. The cubic root of 388276 is about 72.9536203800.

Adding to 388276 its product of digits (16128), we get a palindrome (404404).

The spelling of 388276 in words is "three hundred eighty-eight thousand, two hundred seventy-six".