328445115 has 32 divisors (see below), whose sum is σ = 568139520. Its totient is φ = 161460864.

The previous prime is 328445113. The next prime is 328445119. The reversal of 328445115 is 511544823.

It is not a de Polignac number, because 328445115 - 2¹ = 328445113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328445111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5029 + ... + 26118.

It is an arithmetic number, because the mean of its divisors is an integer number (17754360).

Almost surely, 2^328445115 is an apocalyptic number.

328445115 is a deficient number, since it is larger than the sum of its proper divisors (239694405).

328445115 is a wasteful number, since it uses less digits than its factorization.

328445115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31211.

The product of its digits is 19200, while the sum is 33.

The square root of 328445115 is about 18123.0547921701. The cubic root of 328445115 is about 689.9552691020.

Adding to 328445115 its reverse (511544823), we get a palindrome (839989938).

The spelling of 328445115 in words is "three hundred twenty-eight million, four hundred forty-five thousand, one hundred fifteen".