328798499 has 2 divisors, whose sum is σ = 328798500. Its totient is φ = 328798498.

The previous prime is 328798487. The next prime is 328798507. The reversal of 328798499 is 994897823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328798499 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328798199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164399249 + 164399250.

It is an arithmetic number, because the mean of its divisors is an integer number (164399250).

Almost surely, 2^328798499 is an apocalyptic number.

328798499 is a deficient number, since it is larger than the sum of its proper divisors (1).

328798499 is an equidigital number, since it uses as much as digits as its factorization.

328798499 is an evil number, because the sum of its binary digits is even.

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

The square root of 328798499 is about 18132.8017415953. The cubic root of 328798499 is about 690.2026283002.

The spelling of 328798499 in words is "three hundred twenty-eight million, seven hundred ninety-eight thousand, four hundred ninety-nine".