328356419 has 2 divisors, whose sum is σ = 328356420. Its totient is φ = 328356418.

The previous prime is 328356407. The next prime is 328356437. The reversal of 328356419 is 914653823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328356419 - 2¹⁶ = 328290883 is a prime.

It is a super-2 number, since 2×328356419² = 215635875797007122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328352419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164178209 + 164178210.

It is an arithmetic number, because the mean of its divisors is an integer number (164178210).

Almost surely, 2^328356419 is an apocalyptic number.

328356419 is a deficient number, since it is larger than the sum of its proper divisors (1).

328356419 is an equidigital number, since it uses as much as digits as its factorization.

328356419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 328356419 is about 18120.6075781139. The cubic root of 328356419 is about 689.8931564595.

The spelling of 328356419 in words is "three hundred twenty-eight million, three hundred fifty-six thousand, four hundred nineteen".