384643402 has 16 divisors (see below), whose sum is σ = 677833632. Its totient is φ = 161388720.

The previous prime is 384643397. The next prime is 384643417. The reversal of 384643402 is 204346483.

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, 672168 + ... + 672739.

It is an arithmetic number, because the mean of its divisors is an integer number (42364602).

Almost surely, 2^384643402 is an apocalyptic number.

384643402 is a deficient number, since it is larger than the sum of its proper divisors (293190230).

384643402 is a wasteful number, since it uses less digits than its factorization.

384643402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344933.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 384643402 is about 19612.3278067648. The cubic root of 384643402 is about 727.2539616664.

Adding to 384643402 its reverse (204346483), we get a palindrome (588989885).

The spelling of 384643402 in words is "three hundred eighty-four million, six hundred forty-three thousand, four hundred two".