384181604 has 48 divisors (see below), whose sum is σ = 715309056. Its totient is φ = 180180000.

The previous prime is 384181601. The next prime is 384181607. The reversal of 384181604 is 406181483.

It is an interprime number because it is at equal distance from previous prime (384181601) and next prime (384181607).

It is a super-3 number, since 3×384181604³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (384181601) 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, 1530479 + ... + 1530729.

It is an arithmetic number, because the mean of its divisors is an integer number (14902272).

Almost surely, 2^384181604 is an apocalyptic number.

It is an amenable number.

384181604 is a deficient number, since it is larger than the sum of its proper divisors (331127452).

384181604 is a wasteful number, since it uses less digits than its factorization.

384181604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 384181604 is about 19600.5511147008. The cubic root of 384181604 is about 726.9628011469.

The spelling of 384181604 in words is "three hundred eighty-four million, one hundred eighty-one thousand, six hundred four".