388063469 has 4 divisors (see below), whose sum is σ = 388172796. Its totient is φ = 387954144.

The previous prime is 388063463. The next prime is 388063477. The reversal of 388063469 is 964360883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 375196900 = 3587^2 + 19370^2 .

It is a cyclic number.

It is not a de Polignac number, because 388063469 - 2¹⁶ = 387997933 is a prime.

It is a super-2 number, since 2×388063469² = 301186511944627922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388063463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49154 + ... + 56499.

It is an arithmetic number, because the mean of its divisors is an integer number (97043199).

Almost surely, 2^388063469 is an apocalyptic number.

It is an amenable number.

388063469 is a deficient number, since it is larger than the sum of its proper divisors (109327).

388063469 is a wasteful number, since it uses less digits than its factorization.

388063469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109326.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 388063469 is about 19699.3266128566. The cubic root of 388063469 is about 729.4030705332.

The spelling of 388063469 in words is "three hundred eighty-eight million, sixty-three thousand, four hundred sixty-nine".