304234420 has 48 divisors (see below), whose sum is σ = 736662528. Its totient is φ = 103380480.

The previous prime is 304234379. The next prime is 304234429. The reversal of 304234420 is 24432403.

It is a junction number, because it is equal to n+sod(n) for n = 304234391 and 304234400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304234429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6205 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (15347136).

Almost surely, 2^304234420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304234420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368331264).

304234420 is an abundant number, since it is smaller than the sum of its proper divisors (432428108).

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

304234420 is a wasteful number, since it uses less digits than its factorization.

304234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360 (or 19358 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 304234420 is about 17442.3169332517. The cubic root of 304234420 is about 672.5678690320.

Adding to 304234420 its reverse (24432403), we get a palindrome (328666823).

It can be divided in two parts, 30423 and 4420, that added together give a palindrome (34843).

The spelling of 304234420 in words is "three hundred four million, two hundred thirty-four thousand, four hundred twenty".