328219487 has 2 divisors, whose sum is σ = 328219488. Its totient is φ = 328219486.

The previous prime is 328219481. The next prime is 328219511. The reversal of 328219487 is 784912823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328219487 - 2⁸ = 328219231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328219481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164109743 + 164109744.

It is an arithmetic number, because the mean of its divisors is an integer number (164109744).

Almost surely, 2^328219487 is an apocalyptic number.

328219487 is a deficient number, since it is larger than the sum of its proper divisors (1).

328219487 is an equidigital number, since it uses as much as digits as its factorization.

328219487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 328219487 is about 18116.8288339875. The cubic root of 328219487 is about 689.7972428129.

The spelling of 328219487 in words is "three hundred twenty-eight million, two hundred nineteen thousand, four hundred eighty-seven".