388204872 has 64 divisors (see below), whose sum is σ = 1062711360. Its totient is φ = 117196800.

The previous prime is 388204871. The next prime is 388204889. The reversal of 388204872 is 278402883.

It is not an unprimeable number, because it can be changed into a prime (388204871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71568 + ... + 76800.

It is an arithmetic number, because the mean of its divisors is an integer number (16604865).

Almost surely, 2^388204872 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 388204872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531355680).

388204872 is an abundant number, since it is smaller than the sum of its proper divisors (674506488).

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

388204872 is a wasteful number, since it uses less digits than its factorization.

388204872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 388204872 is about 19702.9153172824. The cubic root of 388204872 is about 729.4916533431.

The spelling of 388204872 in words is "three hundred eighty-eight million, two hundred four thousand, eight hundred seventy-two".