388326101 has 2 divisors, whose sum is σ = 388326102. Its totient is φ = 388326100.

The previous prime is 388326083. The next prime is 388326149. The reversal of 388326101 is 101623883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376942225 + 11383876 = 19415^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 388326101 - 2¹⁸ = 388063957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388326151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194163050 + 194163051.

It is an arithmetic number, because the mean of its divisors is an integer number (194163051).

Almost surely, 2^388326101 is an apocalyptic number.

It is an amenable number.

388326101 is a deficient number, since it is larger than the sum of its proper divisors (1).

388326101 is an equidigital number, since it uses as much as digits as its factorization.

388326101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 388326101 is about 19705.9915000489. The cubic root of 388326101 is about 729.5675808975.

Adding to 388326101 its reverse (101623883), we get a palindrome (489949984).

The spelling of 388326101 in words is "three hundred eighty-eight million, three hundred twenty-six thousand, one hundred one".