384552099 has 12 divisors (see below), whose sum is σ = 555747400. Its totient is φ = 256237344.

The previous prime is 384552097. The next prime is 384552107. The reversal of 384552099 is 990255483.

384552099 is a `hidden beast` number, since 3 + 8 + 4 + 552 + 0 + 99 = 666.

It is a Cunningham number, because it is equal to 19610²-1.

It is not a de Polignac number, because 384552099 - 2¹ = 384552097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384552097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9807 + ... + 29415.

Almost surely, 2^384552099 is an apocalyptic number.

384552099 is a deficient number, since it is larger than the sum of its proper divisors (171195301).

384552099 is a wasteful number, since it uses less digits than its factorization.

384552099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21794 (or 21791 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 384552099 is about 19609.9999745028. Note that the first 4 decimals coincide. The cubic root of 384552099 is about 727.1964142318.

The spelling of 384552099 in words is "three hundred eighty-four million, five hundred fifty-two thousand, ninety-nine".