304172 has 24 divisors (see below), whose sum is σ = 602112. Its totient is φ = 133200.

The previous prime is 304169. The next prime is 304193. The reversal of 304172 is 271403.

It is a happy number.

304172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (17) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 304172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (25088).

2³⁰⁴¹⁷² is an apocalyptic number.

It is an amenable number.

304172 is a deficient number, since it is larger than the sum of its proper divisors (297940).

304172 is a wasteful number, since it uses less digits than its factorization.

304172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 304172 is about 551.5179054210. The cubic root of 304172 is about 67.2521868804.

Adding to 304172 its reverse (271403), we get a palindrome (575575).

It can be divided in two parts, 3041 and 72, that added together give a palindrome (3113).

The spelling of 304172 in words is "three hundred four thousand, one hundred seventy-two", and thus it is an iban number.