328272245 has 16 divisors (see below), whose sum is σ = 453644928. Its totient is φ = 223379520.

The previous prime is 328272239. The next prime is 328272247. The reversal of 328272245 is 542272823.

It is a de Polignac number, because none of the positive numbers 2^k-328272245 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328272247) by changing a digit.

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, 31214 + ... + 40383.

It is an arithmetic number, because the mean of its divisors is an integer number (28352808).

Almost surely, 2^328272245 is an apocalyptic number.

328272245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328272245 is a deficient number, since it is larger than the sum of its proper divisors (125372683).

328272245 is a wasteful number, since it uses less digits than its factorization.

328272245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71740.

The product of its digits is 53760, while the sum is 35.

The square root of 328272245 is about 18118.2848250048. The cubic root of 328272245 is about 689.8342001688.

The spelling of 328272245 in words is "three hundred twenty-eight million, two hundred seventy-two thousand, two hundred forty-five".