328789499 has 2 divisors, whose sum is σ = 328789500. Its totient is φ = 328789498.

The previous prime is 328789423. The next prime is 328789519. The reversal of 328789499 is 994987823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328789499 - 2²⁸ = 60354043 is a prime.

It is not a weakly prime, because it can be changed into another prime (328789399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164394749 + 164394750.

It is an arithmetic number, because the mean of its divisors is an integer number (164394750).

Almost surely, 2^328789499 is an apocalyptic number.

328789499 is a deficient number, since it is larger than the sum of its proper divisors (1).

328789499 is an equidigital number, since it uses as much as digits as its factorization.

328789499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The square root of 328789499 is about 18132.5535708570. The cubic root of 328789499 is about 690.1963307447.

The spelling of 328789499 in words is "three hundred twenty-eight million, seven hundred eighty-nine thousand, four hundred ninety-nine".