30295328 has 54 divisors (see below), whose sum is σ = 69884451. Its totient is φ = 12890304.

The previous prime is 30295327. The next prime is 30295337. The reversal of 30295328 is 82359203.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 15147664 + 15147664 = 3892^2 + 3892^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3892.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 30295294 and 30295303.

It is not an unprimeable number, because it can be changed into a prime (30295327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 217883 + ... + 218021.

Almost surely, 2^30295328 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 30295328

30295328 is an abundant number, since it is smaller than the sum of its proper divisors (39589123).

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

30295328 is an equidigital number, since it uses as much as digits as its factorization.

30295328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30295328 is about 5504.1191847561. The cubic root of 30295328 is about 311.7395371692.

Multiplying 30295328 by its sum of digits (32), we get a square (969450496 = 31136²).

30295328 divided by its sum of digits (32) gives a square (946729 = 973²).

The spelling of 30295328 in words is "thirty million, two hundred ninety-five thousand, three hundred twenty-eight".