30344328 has 192 divisors, whose sum is σ = 101779200. Its totient is φ = 8346240.

The previous prime is 30344317. The next prime is 30344341. The reversal of 30344328 is 82344303.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497418 + ... + 497478.

It is an arithmetic number, because the mean of its divisors is an integer number (530100).

Almost surely, 2^30344328 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 30344328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50889600).

30344328 is an abundant number, since it is smaller than the sum of its proper divisors (71434872).

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

30344328 is a wasteful number, since it uses less digits than its factorization.

30344328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 30344328 is about 5508.5685981024. The cubic root of 30344328 is about 311.9075169676.

The spelling of 30344328 in words is "thirty million, three hundred forty-four thousand, three hundred twenty-eight".