384056769 has 4 divisors (see below), whose sum is σ = 512075696. Its totient is φ = 256037844.

The previous prime is 384056759. The next prime is 384056789. The reversal of 384056769 is 967650483.

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.

It is not a de Polignac number, because 384056769 - 2¹⁷ = 383925697 is a prime.

It is a super-2 number, since 2×384056769² = 294999203629438722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384056719) 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, 64009459 + ... + 64009464.

It is an arithmetic number, because the mean of its divisors is an integer number (128018924).

Almost surely, 2^384056769 is an apocalyptic number.

It is an amenable number.

384056769 is a deficient number, since it is larger than the sum of its proper divisors (128018927).

384056769 is a wasteful number, since it uses less digits than its factorization.

384056769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128018926.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 384056769 is about 19597.3663791847. The cubic root of 384056769 is about 726.8840534648.

The spelling of 384056769 in words is "three hundred eighty-four million, fifty-six thousand, seven hundred sixty-nine".