328284231 has 16 divisors (see below), whose sum is σ = 488611200. Its totient is φ = 194332320.

The previous prime is 328284211. The next prime is 328284233. The reversal of 328284231 is 132482823.

It is not a de Polignac number, because 328284231 - 2⁶ = 328284167 is a prime.

It is a super-2 number, since 2×328284231² = 215541072646522722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 328284192 and 328284201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328284233) 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, 114256 + ... + 117093.

It is an arithmetic number, because the mean of its divisors is an integer number (30538200).

Almost surely, 2^328284231 is an apocalyptic number.

328284231 is a deficient number, since it is larger than the sum of its proper divisors (160326969).

328284231 is a wasteful number, since it uses less digits than its factorization.

328284231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231406.

The product of its digits is 18432, while the sum is 33.

The square root of 328284231 is about 18118.6155928095. The cubic root of 328284231 is about 689.8425958955.

The spelling of 328284231 in words is "three hundred twenty-eight million, two hundred eighty-four thousand, two hundred thirty-one".