329196997 has 2 divisors, whose sum is σ = 329196998. Its totient is φ = 329196996.

The previous prime is 329196991. The next prime is 329197013. The reversal of 329196997 is 799691923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254530116 + 74666881 = 15954^2 + 8641^2 .

It is a cyclic number.

It is not a de Polignac number, because 329196997 - 2¹⁵ = 329164229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329196991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164598498 + 164598499.

It is an arithmetic number, because the mean of its divisors is an integer number (164598499).

Almost surely, 2^329196997 is an apocalyptic number.

It is an amenable number.

329196997 is a deficient number, since it is larger than the sum of its proper divisors (1).

329196997 is an equidigital number, since it uses as much as digits as its factorization.

329196997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 55.

The square root of 329196997 is about 18143.7867326531. The cubic root of 329196997 is about 690.4813535440.

The spelling of 329196997 in words is "three hundred twenty-nine million, one hundred ninety-six thousand, nine hundred ninety-seven".