384117853 has 8 divisors (see below), whose sum is σ = 443020160. Its totient is φ = 326222640.

The previous prime is 384117821. The next prime is 384117863. The reversal of 384117853 is 358711483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 384117853 - 2⁵ = 384117821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384117803) 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, 250953 + ... + 252478.

It is an arithmetic number, because the mean of its divisors is an integer number (55377520).

Almost surely, 2^384117853 is an apocalyptic number.

It is an amenable number.

384117853 is a deficient number, since it is larger than the sum of its proper divisors (58902307).

384117853 is a wasteful number, since it uses less digits than its factorization.

384117853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503547.

The product of its digits is 80640, while the sum is 40.

The square root of 384117853 is about 19598.9247919369. The cubic root of 384117853 is about 726.9225882469.

It can be divided in two parts, 38411 and 7853, that added together give a palindrome (46264).

The spelling of 384117853 in words is "three hundred eighty-four million, one hundred seventeen thousand, eight hundred fifty-three".