388238846 has 16 divisors (see below), whose sum is σ = 590820048. Its totient is φ = 191318400.

The previous prime is 388238819. The next prime is 388238857. The reversal of 388238846 is 648832883.

It is a junction number, because it is equal to n+sod(n) for n = 388238794 and 388238803.

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, 36161 + ... + 45651.

It is an arithmetic number, because the mean of its divisors is an integer number (36926253).

Almost surely, 2^388238846 is an apocalyptic number.

388238846 is a deficient number, since it is larger than the sum of its proper divisors (202581202).

388238846 is a wasteful number, since it uses less digits than its factorization.

388238846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9787.

The product of its digits is 1769472, while the sum is 50.

The square root of 388238846 is about 19703.7774550973. Note that the first 3 decimals coincide. The cubic root of 388238846 is about 729.5129333667.

The spelling of 388238846 in words is "three hundred eighty-eight million, two hundred thirty-eight thousand, eight hundred forty-six".