388622912 has 14 divisors (see below), whose sum is σ = 771173718. Its totient is φ = 194311424.

The previous prime is 388622909. The next prime is 388622953. The reversal of 388622912 is 219226883.

It can be written as a sum of positive squares in only one way, i.e., 378535936 + 10086976 = 19456^2 + 3176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 388622912.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3036053 + ... + 3036180.

It is an arithmetic number, because the mean of its divisors is an integer number (55083837).

Almost surely, 2^388622912 is an apocalyptic number.

388622912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

388622912 is a deficient number, since it is larger than the sum of its proper divisors (382550806).

388622912 is an equidigital number, since it uses as much as digits as its factorization.

388622912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072245 (or 6072235 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 388622912 is about 19713.5210452116. The cubic root of 388622912 is about 729.7534114280.

The spelling of 388622912 in words is "three hundred eighty-eight million, six hundred twenty-two thousand, nine hundred twelve".