328969379 has 2 divisors, whose sum is σ = 328969380. Its totient is φ = 328969378.

The previous prime is 328969373. The next prime is 328969409. The reversal of 328969379 is 973969823.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328969379 is a prime.

It is a super-3 number, since 3×328969379³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328969373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164484689 + 164484690.

It is an arithmetic number, because the mean of its divisors is an integer number (164484690).

Almost surely, 2^328969379 is an apocalyptic number.

328969379 is a deficient number, since it is larger than the sum of its proper divisors (1).

328969379 is an equidigital number, since it uses as much as digits as its factorization.

328969379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 56.

The square root of 328969379 is about 18137.5130323868. The cubic root of 328969379 is about 690.3221760876.

The spelling of 328969379 in words is "three hundred twenty-eight million, nine hundred sixty-nine thousand, three hundred seventy-nine".