305071328 has 12 divisors (see below), whose sum is σ = 600609240. Its totient is φ = 152535648.

The previous prime is 305071237. The next prime is 305071343. The reversal of 305071328 is 823170503.

It is a self number, because there is not a number n which added to its sum of digits gives 305071328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4766708 + ... + 4766771.

It is an arithmetic number, because the mean of its divisors is an integer number (50050770).

Almost surely, 2^305071328 is an apocalyptic number.

It is an amenable number.

305071328 is a deficient number, since it is larger than the sum of its proper divisors (295537912).

305071328 is an equidigital number, since it uses as much as digits as its factorization.

305071328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533489 (or 9533481 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 305071328 is about 17466.2911918930. The cubic root of 305071328 is about 673.1840189996.

The spelling of 305071328 in words is "three hundred five million, seventy-one thousand, three hundred twenty-eight".