328376613 has 4 divisors (see below), whose sum is σ = 437835488. Its totient is φ = 218917740.

The previous prime is 328376597. The next prime is 328376621. The reversal of 328376613 is 316673823.

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 not a de Polignac number, because 328376613 - 2⁴ = 328376597 is a prime.

It is a super-3 number, since 3×328376613³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328376623) 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, 54729433 + ... + 54729438.

It is an arithmetic number, because the mean of its divisors is an integer number (109458872).

Almost surely, 2^328376613 is an apocalyptic number.

It is an amenable number.

328376613 is a deficient number, since it is larger than the sum of its proper divisors (109458875).

328376613 is a wasteful number, since it uses less digits than its factorization.

328376613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109458874.

The product of its digits is 108864, while the sum is 39.

The square root of 328376613 is about 18121.1647804439. The cubic root of 328376613 is about 689.9072990354.

The spelling of 328376613 in words is "three hundred twenty-eight million, three hundred seventy-six thousand, six hundred thirteen".