388944067 has 2 divisors, whose sum is σ = 388944068. Its totient is φ = 388944066.

The previous prime is 388944047. The next prime is 388944077. The reversal of 388944067 is 760449883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 388944067 - 2¹¹ = 388942019 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388944067.

It is not a weakly prime, because it can be changed into another prime (388944047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194472033 + 194472034.

It is an arithmetic number, because the mean of its divisors is an integer number (194472034).

Almost surely, 2^388944067 is an apocalyptic number.

388944067 is a deficient number, since it is larger than the sum of its proper divisors (1).

388944067 is an equidigital number, since it uses as much as digits as its factorization.

388944067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 388944067 is about 19721.6649145046. The cubic root of 388944067 is about 729.9543769573.

The spelling of 388944067 in words is "three hundred eighty-eight million, nine hundred forty-four thousand, sixty-seven".