388488884 has 24 divisors (see below), whose sum is σ = 782916288. Its totient is φ = 165222720.

The previous prime is 388488857. The next prime is 388488923. The reversal of 388488884 is 488884883.

It is a super-2 number, since 2×388488884² = 301847225983130912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49289 + ... + 56624.

It is an arithmetic number, because the mean of its divisors is an integer number (32621512).

Almost surely, 2^388488884 is an apocalyptic number.

It is an amenable number.

388488884 is an abundant number, since it is smaller than the sum of its proper divisors (394427404).

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

388488884 is a wasteful number, since it uses less digits than its factorization.

388488884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106055 (or 106053 counting only the distinct ones).

The product of its digits is 12582912, while the sum is 59.

The square root of 388488884 is about 19710.1213593423. The cubic root of 388488884 is about 729.6695094987.

The spelling of 388488884 in words is "three hundred eighty-eight million, four hundred eighty-eight thousand, eight hundred eighty-four".