388811304 has 96 divisors (see below), whose sum is σ = 1214291520. Its totient is φ = 110089728.

The previous prime is 388811303. The next prime is 388811321. The reversal of 388811304 is 403118883.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (388811303) 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 23 ways as a sum of consecutive naturals, for example, 53539 + ... + 60365.

It is an arithmetic number, because the mean of its divisors is an integer number (12648870).

Almost surely, 2^388811304 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 388811304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607145760).

388811304 is an abundant number, since it is smaller than the sum of its proper divisors (825480216).

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

388811304 is a wasteful number, since it uses less digits than its factorization.

388811304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959 (or 6952 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 388811304 is about 19718.2987095743. The cubic root of 388811304 is about 729.8713127759.

The spelling of 388811304 in words is "three hundred eighty-eight million, eight hundred eleven thousand, three hundred four".