384113181 has 16 divisors (see below), whose sum is σ = 544065984. Its totient is φ = 240217344.

The previous prime is 384113143. The next prime is 384113189. The reversal of 384113181 is 181311483.

It is not a de Polignac number, because 384113181 - 2¹³ = 384104989 is a prime.

It is a super-3 number, since 3×384113181³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384113189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391 + ... + 27923.

It is an arithmetic number, because the mean of its divisors is an integer number (34004124).

Almost surely, 2^384113181 is an apocalyptic number.

It is an amenable number.

384113181 is a deficient number, since it is larger than the sum of its proper divisors (159952803).

384113181 is a wasteful number, since it uses less digits than its factorization.

384113181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24860.

The product of its digits is 2304, while the sum is 30.

The square root of 384113181 is about 19598.8056013625. The cubic root of 384113181 is about 726.9196410645.

The spelling of 384113181 in words is "three hundred eighty-four million, one hundred thirteen thousand, one hundred eighty-one".