384638206 has 4 divisors (see below), whose sum is σ = 576957312. Its totient is φ = 192319102.

The previous prime is 384638201. The next prime is 384638231. The reversal of 384638206 is 602836483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602836483 = 22343 ⋅26981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384638201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96159550 + ... + 96159553.

It is an arithmetic number, because the mean of its divisors is an integer number (144239328).

Almost surely, 2^384638206 is an apocalyptic number.

384638206 is a deficient number, since it is larger than the sum of its proper divisors (192319106).

384638206 is a wasteful number, since it uses less digits than its factorization.

384638206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192319105.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 384638206 is about 19612.1953386152. The cubic root of 384638206 is about 727.2506869201.

The spelling of 384638206 in words is "three hundred eighty-four million, six hundred thirty-eight thousand, two hundred six".