328864613 has 8 divisors (see below), whose sum is σ = 410013120. Its totient is φ = 256258080.

The previous prime is 328864589. The next prime is 328864619. The reversal of 328864613 is 316468823.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 328864613 - 2¹⁶ = 328799077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328864619) 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, 2135408 + ... + 2135561.

It is an arithmetic number, because the mean of its divisors is an integer number (51251640).

Almost surely, 2^328864613 is an apocalyptic number.

It is an amenable number.

328864613 is a deficient number, since it is larger than the sum of its proper divisors (81148507).

328864613 is a wasteful number, since it uses less digits than its factorization.

328864613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270987.

The product of its digits is 165888, while the sum is 41.

The square root of 328864613 is about 18134.6246997284. The cubic root of 328864613 is about 690.2488866200.

The spelling of 328864613 in words is "three hundred twenty-eight million, eight hundred sixty-four thousand, six hundred thirteen".