328193413 has 4 divisors (see below), whose sum is σ = 332347840. Its totient is φ = 324038988.

The previous prime is 328193401. The next prime is 328193419. The reversal of 328193413 is 314391823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328193413 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 (328193419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077095 + ... + 2077252.

It is an arithmetic number, because the mean of its divisors is an integer number (83086960).

Almost surely, 2^328193413 is an apocalyptic number.

It is an amenable number.

328193413 is a deficient number, since it is larger than the sum of its proper divisors (4154427).

328193413 is an equidigital number, since it uses as much as digits as its factorization.

328193413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154426.

The product of its digits is 15552, while the sum is 34.

The square root of 328193413 is about 18116.1092125213. The cubic root of 328193413 is about 689.7789763273.

The spelling of 328193413 in words is "three hundred twenty-eight million, one hundred ninety-three thousand, four hundred thirteen".