304234432 has 84 divisors (see below), whose sum is σ = 654545808. Its totient is φ = 139955200.

The previous prime is 304234429. The next prime is 304234439. The reversal of 304234432 is 234432403.

It is a super-2 number, since 2×304234432² = 185117179228725248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304234397 and 304234406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304234439) 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, 4284957 + ... + 4285027.

It is an arithmetic number, because the mean of its divisors is an integer number (7792212).

Almost surely, 2^304234432 is an apocalyptic number.

304234432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327272904).

304234432 is an abundant number, since it is smaller than the sum of its proper divisors (350311376).

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

304234432 is an equidigital number, since it uses as much as digits as its factorization.

304234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 304234432 is about 17442.3172772427. The cubic root of 304234432 is about 672.5678778747.

Adding to 304234432 its reverse (234432403), we get a palindrome (538666835).

The spelling of 304234432 in words is "three hundred four million, two hundred thirty-four thousand, four hundred thirty-two".