388100056 has 32 divisors (see below), whose sum is σ = 755398080. Its totient is φ = 186796800.

The previous prime is 388100029. The next prime is 388100071. The reversal of 388100056 is 650001883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14476 + ... + 31396.

It is an arithmetic number, because the mean of its divisors is an integer number (23606190).

Almost surely, 2^388100056 is an apocalyptic number.

It is an amenable number.

388100056 is a deficient number, since it is larger than the sum of its proper divisors (367298024).

388100056 is a wasteful number, since it uses less digits than its factorization.

388100056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035 (or 17031 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 388100056 is about 19700.2552267731. The cubic root of 388100056 is about 729.4259927557.

The spelling of 388100056 in words is "three hundred eighty-eight million, one hundred thousand, fifty-six".