384365091 has 24 divisors (see below), whose sum is σ = 564620112. Its totient is φ = 232408000.

The previous prime is 384365083. The next prime is 384365123. The reversal of 384365091 is 190563483.

It is not a de Polignac number, because 384365091 - 2³ = 384365083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384365591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201241 + ... + 203141.

It is an arithmetic number, because the mean of its divisors is an integer number (23525838).

Almost surely, 2^384365091 is an apocalyptic number.

384365091 is a deficient number, since it is larger than the sum of its proper divisors (180255021).

384365091 is a wasteful number, since it uses less digits than its factorization.

384365091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 384365091 is about 19605.2312151630. The cubic root of 384365091 is about 727.0785163817.

The spelling of 384365091 in words is "three hundred eighty-four million, three hundred sixty-five thousand, ninety-one".