384163906 has 8 divisors (see below), whose sum is σ = 658566720. Its totient is φ = 164641668.

The previous prime is 384163883. The next prime is 384163931. The reversal of 384163906 is 609361483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13720126 + ... + 13720153.

It is an arithmetic number, because the mean of its divisors is an integer number (82320840).

Almost surely, 2^384163906 is an apocalyptic number.

384163906 is a deficient number, since it is larger than the sum of its proper divisors (274402814).

384163906 is a wasteful number, since it uses less digits than its factorization.

384163906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27440288.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 384163906 is about 19600.0996426039. The cubic root of 384163906 is about 726.9516380363.

The spelling of 384163906 in words is "three hundred eighty-four million, one hundred sixty-three thousand, nine hundred six".