30328596 has 72 divisors (see below), whose sum is σ = 79279200. Its totient is φ = 9771840.

The previous prime is 30328589. The next prime is 30328607. The reversal of 30328596 is 69582303.

30328596 is a `hidden beast` number, since 30 + 32 + 8 + 596 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30328596.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231451 + ... + 231581.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100).

Almost surely, 2^30328596 is an apocalyptic number.

30328596 is a gapful number since it is divisible by the number (36) 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 30328596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39639600).

30328596 is an abundant number, since it is smaller than the sum of its proper divisors (48950604).

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

30328596 is a wasteful number, since it uses less digits than its factorization.

30328596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 30328596 is about 5507.1404558083. The cubic root of 30328596 is about 311.8536048900.

It can be divided in two parts, 3032 and 8596, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 30328596 in words is "thirty million, three hundred twenty-eight thousand, five hundred ninety-six".