388233238 has 16 divisors (see below), whose sum is σ = 609055200. Its totient is φ = 185253376.

The previous prime is 388233227. The next prime is 388233259. The reversal of 388233238 is 832332883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 388233238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11256 + ... + 30052.

It is an arithmetic number, because the mean of its divisors is an integer number (38065950).

Almost surely, 2^388233238 is an apocalyptic number.

388233238 is a deficient number, since it is larger than the sum of its proper divisors (220821962).

388233238 is a wasteful number, since it uses less digits than its factorization.

388233238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271.

The product of its digits is 165888, while the sum is 40.

The square root of 388233238 is about 19703.6351468454. The cubic root of 388233238 is about 729.5094208140.

The spelling of 388233238 in words is "three hundred eighty-eight million, two hundred thirty-three thousand, two hundred thirty-eight".