328958399 has 8 divisors (see below), whose sum is σ = 410130048. Its totient is φ = 256331160.

The previous prime is 328958387. The next prime is 328958401. The reversal of 328958399 is 993859823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328958399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328958309) 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 7 ways as a sum of consecutive naturals, for example, 2136017 + ... + 2136170.

It is an arithmetic number, because the mean of its divisors is an integer number (51266256).

Almost surely, 2^328958399 is an apocalyptic number.

328958399 is a deficient number, since it is larger than the sum of its proper divisors (81171649).

328958399 is a wasteful number, since it uses less digits than its factorization.

328958399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272205.

The product of its digits is 4199040, while the sum is 56.

The square root of 328958399 is about 18137.2103422770. The cubic root of 328958399 is about 690.3144957154.

The spelling of 328958399 in words is "three hundred twenty-eight million, nine hundred fifty-eight thousand, three hundred ninety-nine".