384521132 has 12 divisors (see below), whose sum is σ = 673180200. Its totient is φ = 192183936.

The previous prime is 384521119. The next prime is 384521141. The reversal of 384521132 is 231125483.

It is a happy number.

It is a super-2 number, since 2×384521132² = 295713001909122848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384521095 and 384521104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7013 + ... + 28604.

It is an arithmetic number, because the mean of its divisors is an integer number (56098350).

Almost surely, 2^384521132 is an apocalyptic number.

It is an amenable number.

384521132 is a deficient number, since it is larger than the sum of its proper divisors (288659068).

384521132 is a wasteful number, since it uses less digits than its factorization.

384521132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320 (or 38318 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 384521132 is about 19609.2103869585. The cubic root of 384521132 is about 727.1768939502.

The spelling of 384521132 in words is "three hundred eighty-four million, five hundred twenty-one thousand, one hundred thirty-two".