388650252 has 12 divisors (see below), whose sum is σ = 906850616. Its totient is φ = 129550080.

The previous prime is 388650247. The next prime is 388650253. The reversal of 388650252 is 252056883.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 388650252.

It is not an unprimeable number, because it can be changed into a prime (388650253) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 16193749 + ... + 16193772.

Almost surely, 2^388650252 is an apocalyptic number.

It is an amenable number.

388650252 is an abundant number, since it is smaller than the sum of its proper divisors (518200364).

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

388650252 is a wasteful number, since it uses less digits than its factorization.

388650252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32387528 (or 32387526 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 388650252 is about 19714.2144657098. The cubic root of 388650252 is about 729.7705239809.

The spelling of 388650252 in words is "three hundred eighty-eight million, six hundred fifty thousand, two hundred fifty-two".