384638468 has 12 divisors (see below), whose sum is σ = 673406412. Its totient is φ = 192236640.

The previous prime is 384638467. The next prime is 384638473. The reversal of 384638468 is 864836483.

It can be written as a sum of positive squares in 2 ways, for example, as 214388164 + 170250304 = 14642^2 + 13048^2 .

It is not an unprimeable number, because it can be changed into a prime (384638461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9503 + ... + 29318.

It is an arithmetic number, because the mean of its divisors is an integer number (56117201).

Almost surely, 2^384638468 is an apocalyptic number.

It is an amenable number.

384638468 is a deficient number, since it is larger than the sum of its proper divisors (288767944).

384638468 is a wasteful number, since it uses less digits than its factorization.

384638468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41302 (or 41300 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 50.

The square root of 384638468 is about 19612.2020181315. The cubic root of 384638468 is about 727.2508520447.

The spelling of 384638468 in words is "three hundred eighty-four million, six hundred thirty-eight thousand, four hundred sixty-eight".