30304344 has 96 divisors (see below), whose sum is σ = 89590320. Its totient is φ = 8515584.

The previous prime is 30304327. The next prime is 30304367. The reversal of 30304344 is 44340303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30304344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85672 + ... + 86024.

Almost surely, 2^30304344 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 30304344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44795160).

30304344 is an abundant number, since it is smaller than the sum of its proper divisors (59285976).

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

30304344 is a wasteful number, since it uses less digits than its factorization.

30304344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30304344 is about 5504.9381467915. The cubic root of 30304344 is about 311.7704590426.

Adding to 30304344 its reverse (44340303), we get a palindrome (74644647).

The spelling of 30304344 in words is "thirty million, three hundred four thousand, three hundred forty-four".