388711120 has 240 divisors, whose sum is σ = 1175549760. Its totient is φ = 118444032.

The previous prime is 388711111. The next prime is 388711123. The reversal of 388711120 is 21117883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388711123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1266007 + ... + 1266313.

It is an arithmetic number, because the mean of its divisors is an integer number (4898124).

Almost surely, 2^388711120 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 388711120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587774880).

388711120 is an abundant number, since it is smaller than the sum of its proper divisors (786838640).

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

388711120 is a wasteful number, since it uses less digits than its factorization.

388711120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 388711120 is about 19715.7581644734. The cubic root of 388711120 is about 729.8086193750.

The spelling of 388711120 in words is "three hundred eighty-eight million, seven hundred eleven thousand, one hundred twenty".