388464804 has 216 divisors, whose sum is σ = 1288472640. Its totient is φ = 95831424.

The previous prime is 388464799. The next prime is 388464821. The reversal of 388464804 is 408464883.

It is a self number, because there is not a number n which added to its sum of digits gives 388464804.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4917237 + ... + 4917315.

Almost surely, 2^388464804 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 388464804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644236320).

388464804 is an abundant number, since it is smaller than the sum of its proper divisors (900007836).

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

388464804 is a wasteful number, since it uses less digits than its factorization.

388464804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 388464804 is about 19709.5104962046. The cubic root of 388464804 is about 729.6544333017.

The spelling of 388464804 in words is "three hundred eighty-eight million, four hundred sixty-four thousand, eight hundred four".