384905422 has 16 divisors (see below), whose sum is σ = 631072944. Its totient is φ = 174616000.

The previous prime is 384905407. The next prime is 384905431. The reversal of 384905422 is 224509483.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5329 + ... + 28252.

It is an arithmetic number, because the mean of its divisors is an integer number (39442059).

Almost surely, 2^384905422 is an apocalyptic number.

384905422 is a deficient number, since it is larger than the sum of its proper divisors (246167522).

384905422 is a wasteful number, since it uses less digits than its factorization.

384905422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34115.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 384905422 is about 19619.0066517140. The cubic root of 384905422 is about 727.4190598929.

The spelling of 384905422 in words is "three hundred eighty-four million, nine hundred five thousand, four hundred twenty-two".