304434 has 24 divisors (see below), whose sum is σ = 710892. Its totient is φ = 93600.

The previous prime is 304433. The next prime is 304439. The reversal of 304434 is 434403.

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 88209 = 465^2 + 297^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (304433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 884.

2³⁰⁴⁴³⁴ is an apocalyptic number.

304434 is an abundant number, since it is smaller than the sum of its proper divisors (406458).

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

304434 is a wasteful number, since it uses less digits than its factorization.

304434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 304434 is about 551.7553805809. The cubic root of 304434 is about 67.2714906694.

Adding to 304434 its reverse (434403), we get a palindrome (738837).

The spelling of 304434 in words is "three hundred four thousand, four hundred thirty-four".