328568413 has 4 divisors (see below), whose sum is σ = 329278528. Its totient is φ = 327858300.

The previous prime is 328568351. The next prime is 328568417. The reversal of 328568413 is 314865823.

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 not a de Polignac number, because 328568413 - 2²⁵ = 295013981 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 (328568417) 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, 354363 + ... + 355288.

It is an arithmetic number, because the mean of its divisors is an integer number (82319632).

Almost surely, 2^328568413 is an apocalyptic number.

It is an amenable number.

328568413 is a deficient number, since it is larger than the sum of its proper divisors (710115).

328568413 is an equidigital number, since it uses as much as digits as its factorization.

328568413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710114.

The product of its digits is 138240, while the sum is 40.

The square root of 328568413 is about 18126.4561621956. The cubic root of 328568413 is about 690.0415944960.

The spelling of 328568413 in words is "three hundred twenty-eight million, five hundred sixty-eight thousand, four hundred thirteen".