388260238 has 8 divisors (see below), whose sum is σ = 592261560. Its totient is φ = 190839720.

The previous prime is 388260211. The next prime is 388260239. The reversal of 388260238 is 832062883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 388260238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388260239) 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, 1645053 + ... + 1645288.

It is an arithmetic number, because the mean of its divisors is an integer number (74032695).

Almost surely, 2^388260238 is an apocalyptic number.

388260238 is a deficient number, since it is larger than the sum of its proper divisors (204001322).

388260238 is a wasteful number, since it uses less digits than its factorization.

388260238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290402.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 388260238 is about 19704.3202876933. The cubic root of 388260238 is about 729.5263318663.

The spelling of 388260238 in words is "three hundred eighty-eight million, two hundred sixty thousand, two hundred thirty-eight".