384198469 has 4 divisors (see below), whose sum is σ = 396592000. Its totient is φ = 371804940.

The previous prime is 384198461. The next prime is 384198481. The reversal of 384198469 is 964891483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964891483 = 307 ⋅3142969.

It is a cyclic number.

It is not a de Polignac number, because 384198469 - 2³ = 384198461 is a prime.

It is a super-2 number, since 2×384198469² = 295216927163887922, 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 (384198461) 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, 6196719 + ... + 6196780.

It is an arithmetic number, because the mean of its divisors is an integer number (99148000).

Almost surely, 2^384198469 is an apocalyptic number.

It is an amenable number.

384198469 is a deficient number, since it is larger than the sum of its proper divisors (12393531).

384198469 is a wasteful number, since it uses less digits than its factorization.

384198469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393530.

The product of its digits is 1492992, while the sum is 52.

The square root of 384198469 is about 19600.9813274744. The cubic root of 384198469 is about 726.9734385192.

The spelling of 384198469 in words is "three hundred eighty-four million, one hundred ninety-eight thousand, four hundred sixty-nine".