384172 has 6 divisors (see below), whose sum is σ = 672308. Its totient is φ = 192084.

The previous prime is 384157. The next prime is 384173. The reversal of 384172 is 271483.

It is not an unprimeable number, because it can be changed into a prime (384173) by changing a digit.

384172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48018 + ... + 48025.

2³⁸⁴¹⁷² is an apocalyptic number.

It is an amenable number.

384172 is a deficient number, since it is larger than the sum of its proper divisors (288136).

384172 is a wasteful number, since it uses less digits than its factorization.

384172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96047 (or 96045 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 384172 is about 619.8161017592. The cubic root of 384172 is about 72.6956743414.

The spelling of 384172 in words is "three hundred eighty-four thousand, one hundred seventy-two".