388242264 has 32 divisors (see below), whose sum is σ = 1001917440. Its totient is φ = 125239200.

The previous prime is 388242223. The next prime is 388242269. The reversal of 388242264 is 462242883.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388242269) 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 7 ways as a sum of consecutive naturals, for example, 260172 + ... + 261659.

It is an arithmetic number, because the mean of its divisors is an integer number (31309920).

Almost surely, 2^388242264 is an apocalyptic number.

It is an amenable number.

388242264 is an abundant number, since it is smaller than the sum of its proper divisors (613675176).

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

388242264 is a wasteful number, since it uses less digits than its factorization.

388242264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521871 (or 521867 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 388242264 is about 19703.8641895441. The cubic root of 388242264 is about 729.5150742034.

The spelling of 388242264 in words is "three hundred eighty-eight million, two hundred forty-two thousand, two hundred sixty-four".