388448256 has 120 divisors (see below), whose sum is σ = 1184854720. Its totient is φ = 110886912.

The previous prime is 388448251. The next prime is 388448273. The reversal of 388448256 is 652844883.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388448251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343500 + ... + 344628.

Almost surely, 2^388448256 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 388448256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592427360).

388448256 is an abundant number, since it is smaller than the sum of its proper divisors (796406464).

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

388448256 is an equidigital number, since it uses as much as digits as its factorization.

388448256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1141 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The square root of 388448256 is about 19709.0906943979. The cubic root of 388448256 is about 729.6440724377.

The spelling of 388448256 in words is "three hundred eighty-eight million, four hundred forty-eight thousand, two hundred fifty-six".