384255117 has 32 divisors (see below), whose sum is σ = 580469760. Its totient is φ = 251166960.

The previous prime is 384255073. The next prime is 384255119. The reversal of 384255117 is 711552483.

It is not a de Polignac number, because 384255117 - 2⁷ = 384254989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384255119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562258 + ... + 562940.

It is an arithmetic number, because the mean of its divisors is an integer number (18139680).

Almost surely, 2^384255117 is an apocalyptic number.

It is an amenable number.

384255117 is a deficient number, since it is larger than the sum of its proper divisors (196214643).

384255117 is a wasteful number, since it uses less digits than its factorization.

384255117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1064 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 384255117 is about 19602.4263039043. The cubic root of 384255117 is about 727.0091662058.

The spelling of 384255117 in words is "three hundred eighty-four million, two hundred fifty-five thousand, one hundred seventeen".