328250305 has 16 divisors (see below), whose sum is σ = 404699904. Its totient is φ = 255438720.

The previous prime is 328250291. The next prime is 328250311. The reversal of 328250305 is 503052823.

It is not a de Polignac number, because 328250305 - 2⁷ = 328250177 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 73054 + ... + 77416.

It is an arithmetic number, because the mean of its divisors is an integer number (25293744).

Almost surely, 2^328250305 is an apocalyptic number.

It is an amenable number.

328250305 is a deficient number, since it is larger than the sum of its proper divisors (76449599).

328250305 is a wasteful number, since it uses less digits than its factorization.

328250305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 328250305 is about 18117.6793491882. The cubic root of 328250305 is about 689.8188315230.

The spelling of 328250305 in words is "three hundred twenty-eight million, two hundred fifty thousand, three hundred five".