304423632 has 60 divisors (see below), whose sum is σ = 857132640. Its totient is φ = 100858944.

The previous prime is 304423589. The next prime is 304423649. The reversal of 304423632 is 236324403.

It is a happy number.

304423632 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 23 + 632 = 666.

304423632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 304423596 and 304423605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17719 + ... + 30377.

It is an arithmetic number, because the mean of its divisors is an integer number (14285544).

Almost surely, 2^304423632 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 304423632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428566320).

304423632 is an abundant number, since it is smaller than the sum of its proper divisors (552709008).

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

304423632 is a wasteful number, since it uses less digits than its factorization.

304423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840 (or 12831 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 304423632 is about 17447.7400255735. The cubic root of 304423632 is about 672.7072698039.

The spelling of 304423632 in words is "three hundred four million, four hundred twenty-three thousand, six hundred thirty-two".