304536 has 16 divisors (see below), whose sum is σ = 761400. Its totient is φ = 101504.

The previous prime is 304523. The next prime is 304537. The reversal of 304536 is 635403.

304536 is nontrivially palindromic in base 11.

It is a super-4 number, since 4×304536⁴ (a number of 23 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304537) by changing a digit.

304536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6321 + ... + 6368.

2³⁰⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

304536 is an abundant number, since it is smaller than the sum of its proper divisors (456864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304536 is a wasteful number, since it uses less digits than its factorization.

304536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698 (or 12694 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 304536 is about 551.8478051057. The cubic root of 304536 is about 67.2790028898.

Adding to 304536 its reverse (635403), we get a palindrome (939939).

It can be divided in two parts, 3045 and 36, that added together give a triangular number (3081 = T₇₈).

The spelling of 304536 in words is "three hundred four thousand, five hundred thirty-six".