328679243 has 4 divisors (see below), whose sum is σ = 340013040. Its totient is φ = 317345448.

The previous prime is 328679203. The next prime is 328679257. The reversal of 328679243 is 342976823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328679243 - 2⁶ = 328679179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328679194 and 328679203.

It is not an unprimeable number, because it can be changed into a prime (328679203) 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, 5666855 + ... + 5666912.

It is an arithmetic number, because the mean of its divisors is an integer number (85003260).

Almost surely, 2^328679243 is an apocalyptic number.

328679243 is a deficient number, since it is larger than the sum of its proper divisors (11333797).

328679243 is a wasteful number, since it uses less digits than its factorization.

328679243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333796.

The product of its digits is 435456, while the sum is 44.

The square root of 328679243 is about 18129.5130381376. The cubic root of 328679243 is about 690.1191721628.

The spelling of 328679243 in words is "three hundred twenty-eight million, six hundred seventy-nine thousand, two hundred forty-three".