328385979 has 6 divisors (see below), whose sum is σ = 474335316. Its totient is φ = 218923980.

The previous prime is 328385977. The next prime is 328385983. The reversal of 328385979 is 979583823.

It is a happy number.

It is not a de Polignac number, because 328385979 - 2¹ = 328385977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328385977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18243657 + ... + 18243674.

It is an arithmetic number, because the mean of its divisors is an integer number (79055886).

Almost surely, 2^328385979 is an apocalyptic number.

328385979 is a deficient number, since it is larger than the sum of its proper divisors (145949337).

328385979 is a wasteful number, since it uses less digits than its factorization.

328385979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36487337 (or 36487334 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 328385979 is about 18121.4232056977. The cubic root of 328385979 is about 689.9138581813.

The spelling of 328385979 in words is "three hundred twenty-eight million, three hundred eighty-five thousand, nine hundred seventy-nine".