384096391 has 4 divisors (see below), whose sum is σ = 438967312. Its totient is φ = 329225472.

The previous prime is 384096367. The next prime is 384096397. The reversal of 384096391 is 193690483.

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

It is a cyclic number.

It is not a de Polignac number, because 384096391 - 2⁵ = 384096359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384096397) 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, 27435450 + ... + 27435463.

It is an arithmetic number, because the mean of its divisors is an integer number (109741828).

Almost surely, 2^384096391 is an apocalyptic number.

384096391 is a deficient number, since it is larger than the sum of its proper divisors (54870921).

384096391 is an equidigital number, since it uses as much as digits as its factorization.

384096391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54870920.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 384096391 is about 19598.3772542525. The cubic root of 384096391 is about 726.9090494306.

The spelling of 384096391 in words is "three hundred eighty-four million, ninety-six thousand, three hundred ninety-one".