388100052 has 24 divisors (see below), whose sum is σ = 1006185600. Its totient is φ = 129366648.

The previous prime is 388100029. The next prime is 388100071. The reversal of 388100052 is 250001883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 388099989 and 388100025.

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, 1796652 + ... + 1796867.

It is an arithmetic number, because the mean of its divisors is an integer number (41924400).

Almost surely, 2^388100052 is an apocalyptic number.

It is an amenable number.

388100052 is an abundant number, since it is smaller than the sum of its proper divisors (618085548).

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

388100052 is a wasteful number, since it uses less digits than its factorization.

388100052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593532 (or 3593524 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 388100052 is about 19700.2551252516. The cubic root of 388100052 is about 729.4259902497.

The spelling of 388100052 in words is "three hundred eighty-eight million, one hundred thousand, fifty-two".