388114469 has 2 divisors, whose sum is σ = 388114470. Its totient is φ = 388114468.

The previous prime is 388114459. The next prime is 388114477. The reversal of 388114469 is 964411883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273902500 + 114211969 = 16550^2 + 10687^2 .

It is an emirp because it is prime and its reverse (964411883) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388114469 is a prime.

It is a super-2 number, since 2×388114469² = 301265682094303922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388114429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194057234 + 194057235.

It is an arithmetic number, because the mean of its divisors is an integer number (194057235).

Almost surely, 2^388114469 is an apocalyptic number.

It is an amenable number.

388114469 is a deficient number, since it is larger than the sum of its proper divisors (1).

388114469 is an equidigital number, since it uses as much as digits as its factorization.

388114469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 388114469 is about 19700.6210308203. The cubic root of 388114469 is about 729.4350222886.

The spelling of 388114469 in words is "three hundred eighty-eight million, one hundred fourteen thousand, four hundred sixty-nine".