384423826 has 16 divisors (see below), whose sum is σ = 597115800. Its totient is φ = 185398528.

The previous prime is 384423799. The next prime is 384423829. The reversal of 384423826 is 628324483.

384423826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 362940601 + 21483225 = 19051^2 + 4635^2 .

It is not an unprimeable number, because it can be changed into a prime (384423829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68586 + ... + 73978.

Almost surely, 2^384423826 is an apocalyptic number.

384423826 is a deficient number, since it is larger than the sum of its proper divisors (212691974).

384423826 is a wasteful number, since it uses less digits than its factorization.

384423826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6653.

The product of its digits is 221184, while the sum is 40.

The square root of 384423826 is about 19606.7290999799. The cubic root of 384423826 is about 727.1155495589.

The spelling of 384423826 in words is "three hundred eighty-four million, four hundred twenty-three thousand, eight hundred twenty-six".