384450799 has 2 divisors, whose sum is σ = 384450800. Its totient is φ = 384450798.

The previous prime is 384450797. The next prime is 384450821. The reversal of 384450799 is 997054483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384450799 - 2¹ = 384450797 is a prime.

Together with 384450797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384450797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192225399 + 192225400.

It is an arithmetic number, because the mean of its divisors is an integer number (192225400).

Almost surely, 2^384450799 is an apocalyptic number.

384450799 is a deficient number, since it is larger than the sum of its proper divisors (1).

384450799 is an equidigital number, since it uses as much as digits as its factorization.

384450799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 384450799 is about 19607.4169384955. The cubic root of 384450799 is about 727.1325551204.

The spelling of 384450799 in words is "three hundred eighty-four million, four hundred fifty thousand, seven hundred ninety-nine".