305484 has 12 divisors (see below), whose sum is σ = 712824. Its totient is φ = 101824.

The previous prime is 305483. The next prime is 305489. The reversal of 305484 is 484503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (305483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12717 + ... + 12740.

It is an arithmetic number, because the mean of its divisors is an integer number (59402).

2³⁰⁵⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

305484 is an abundant number, since it is smaller than the sum of its proper divisors (407340).

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

305484 is a wasteful number, since it uses less digits than its factorization.

305484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25464 (or 25462 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 305484 is about 552.7060701675. The cubic root of 305484 is about 67.3487422391.

Adding to 305484 its reverse (484503), we get a palindrome (789987).

The spelling of 305484 in words is "three hundred five thousand, four hundred eighty-four".