384308469 has 20 divisors (see below), whose sum is σ = 576085356. Its totient is φ = 255315456.

The previous prime is 384308447. The next prime is 384308527. The reversal of 384308469 is 964803483.

It can be written as a sum of positive squares in 2 ways, for example, as 371988369 + 12320100 = 19287^2 + 3510^2 .

It is not a de Polignac number, because 384308469 - 2¹¹ = 384306421 is a prime.

It is a super-2 number, since 2×384308469² = 295385998690247922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384306469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15637 + ... + 31829.

Almost surely, 2^384308469 is an apocalyptic number.

It is an amenable number.

384308469 is a deficient number, since it is larger than the sum of its proper divisors (191776887).

384308469 is a wasteful number, since it uses less digits than its factorization.

384308469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16498 (or 16489 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 384308469 is about 19603.7871086176. The cubic root of 384308469 is about 727.0428119065.

The spelling of 384308469 in words is "three hundred eighty-four million, three hundred eight thousand, four hundred sixty-nine".