328372019 has 2 divisors, whose sum is σ = 328372020. Its totient is φ = 328372018.

The previous prime is 328372013. The next prime is 328372027. The reversal of 328372019 is 910273823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328372019 - 2²⁸ = 59936563 is a prime.

It is a super-2 number, since 2×328372019² = 215656365724272722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328372019.

It is not a weakly prime, because it can be changed into another prime (328372013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164186009 + 164186010.

It is an arithmetic number, because the mean of its divisors is an integer number (164186010).

Almost surely, 2^328372019 is an apocalyptic number.

328372019 is a deficient number, since it is larger than the sum of its proper divisors (1).

328372019 is an equidigital number, since it uses as much as digits as its factorization.

328372019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 328372019 is about 18121.0380221443. The cubic root of 328372019 is about 689.9040817449.

The spelling of 328372019 in words is "three hundred twenty-eight million, three hundred seventy-two thousand, nineteen".