384336856 has 32 divisors (see below), whose sum is σ = 736128000. Its totient is φ = 188065696.

The previous prime is 384336851. The next prime is 384336889. The reversal of 384336856 is 658633483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384336851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111105 + ... + 114511.

It is an arithmetic number, because the mean of its divisors is an integer number (23004000).

Almost surely, 2^384336856 is an apocalyptic number.

It is an amenable number.

384336856 is a deficient number, since it is larger than the sum of its proper divisors (351791144).

384336856 is a wasteful number, since it uses less digits than its factorization.

384336856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3707 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 384336856 is about 19604.5111135167. The cubic root of 384336856 is about 727.0607125062.

The spelling of 384336856 in words is "three hundred eighty-four million, three hundred thirty-six thousand, eight hundred fifty-six".