384623834 has 24 divisors (see below), whose sum is σ = 672590880. Its totient is φ = 164479896.

The previous prime is 384623819. The next prime is 384623881. The reversal of 384623834 is 438326483.

It is a junction number, because it is equal to n+sod(n) for n = 384623791 and 384623800.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43697 + ... + 51755.

It is an arithmetic number, because the mean of its divisors is an integer number (28024620).

Almost surely, 2^384623834 is an apocalyptic number.

384623834 is a deficient number, since it is larger than the sum of its proper divisors (287967046).

384623834 is a wasteful number, since it uses less digits than its factorization.

384623834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562 (or 8555 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 384623834 is about 19611.8289305205. The cubic root of 384623834 is about 727.2416289041.

The spelling of 384623834 in words is "three hundred eighty-four million, six hundred twenty-three thousand, eight hundred thirty-four".