328912199 has 8 divisors (see below), whose sum is σ = 410072448. Its totient is φ = 256295160.

The previous prime is 328912193. The next prime is 328912217. The reversal of 328912199 is 991219823.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-328912199 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 (328912193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135717 + ... + 2135870.

It is an arithmetic number, because the mean of its divisors is an integer number (51259056).

Almost surely, 2^328912199 is an apocalyptic number.

328912199 is a deficient number, since it is larger than the sum of its proper divisors (81160249).

328912199 is a wasteful number, since it uses less digits than its factorization.

328912199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271605.

The product of its digits is 69984, while the sum is 44.

The square root of 328912199 is about 18135.9366728052. The cubic root of 328912199 is about 690.2821775226.

The spelling of 328912199 in words is "three hundred twenty-eight million, nine hundred twelve thousand, one hundred ninety-nine".