388288252 has 12 divisors (see below), whose sum is σ = 741277656. Its totient is φ = 176494640.

The previous prime is 388288223. The next prime is 388288283. The reversal of 388288252 is 252882883.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 4412323 + ... + 4412410.

It is an arithmetic number, because the mean of its divisors is an integer number (61773138).

Almost surely, 2^388288252 is an apocalyptic number.

It is an amenable number.

388288252 is a deficient number, since it is larger than the sum of its proper divisors (352989404).

388288252 is a wasteful number, since it uses less digits than its factorization.

388288252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824748 (or 8824746 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 388288252 is about 19705.0311342053. The cubic root of 388288252 is about 729.5438771938.

The spelling of 388288252 in words is "three hundred eighty-eight million, two hundred eighty-eight thousand, two hundred fifty-two".