328223499 has 16 divisors (see below), whose sum is σ = 464302080. Its totient is φ = 205662240.

The previous prime is 328223477. The next prime is 328223503. The reversal of 328223499 is 994322823.

It is not a de Polignac number, because 328223499 - 2⁹ = 328222987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328223499.

It is not an unprimeable number, because it can be changed into a prime (328223299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15432 + ... + 29909.

It is an arithmetic number, because the mean of its divisors is an integer number (29018880).

Almost surely, 2^328223499 is an apocalyptic number.

328223499 is a deficient number, since it is larger than the sum of its proper divisors (136078581).

328223499 is a wasteful number, since it uses less digits than its factorization.

328223499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45490.

The product of its digits is 186624, while the sum is 42.

The square root of 328223499 is about 18116.9395594289. The cubic root of 328223499 is about 689.8000533867.

The spelling of 328223499 in words is "three hundred twenty-eight million, two hundred twenty-three thousand, four hundred ninety-nine".