388203288 has 128 divisors (see below), whose sum is σ = 1123027200. Its totient is φ = 110592000.

The previous prime is 388203287. The next prime is 388203289. The reversal of 388203288 is 882302883.

It is an interprime number because it is at equal distance from previous prime (388203287) and next prime (388203289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388203281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967888 + ... + 968288.

It is an arithmetic number, because the mean of its divisors is an integer number (8773650).

Almost surely, 2^388203288 is an apocalyptic number.

388203288 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388203288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561513600).

388203288 is an abundant number, since it is smaller than the sum of its proper divisors (734823912).

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

388203288 is a wasteful number, since it uses less digits than its factorization.

388203288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 388203288 is about 19702.8751201443. The cubic root of 388203288 is about 729.4906611554.

The spelling of 388203288 in words is "three hundred eighty-eight million, two hundred three thousand, two hundred eighty-eight".