384364469 has 4 divisors (see below), whose sum is σ = 384988044. Its totient is φ = 383740896.

The previous prime is 384364457. The next prime is 384364483. The reversal of 384364469 is 964463483.

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 169390225 + 214974244 = 13015^2 + 14662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384364469 is a prime.

It is a super-2 number, since 2×384364469² = 295472090059303922, 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 (384364069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310862 + ... + 312095.

It is an arithmetic number, because the mean of its divisors is an integer number (96247011).

Almost surely, 2^384364469 is an apocalyptic number.

It is an amenable number.

384364469 is a deficient number, since it is larger than the sum of its proper divisors (623575).

384364469 is an equidigital number, since it uses as much as digits as its factorization.

384364469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623574.

The product of its digits is 1492992, while the sum is 47.

The square root of 384364469 is about 19605.2153520434. The cubic root of 384364469 is about 727.0781241824.

The spelling of 384364469 in words is "three hundred eighty-four million, three hundred sixty-four thousand, four hundred sixty-nine".