326398949 has 2 divisors, whose sum is σ = 326398950. Its totient is φ = 326398948.

The previous prime is 326398937. The next prime is 326398981. The reversal of 326398949 is 949893623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311522500 + 14876449 = 17650^2 + 3857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326398949 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 326398949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326398649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163199474 + 163199475.

It is an arithmetic number, because the mean of its divisors is an integer number (163199475).

Almost surely, 2^326398949 is an apocalyptic number.

It is an amenable number.

326398949 is a deficient number, since it is larger than the sum of its proper divisors (1).

326398949 is an equidigital number, since it uses as much as digits as its factorization.

326398949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 53.

The square root of 326398949 is about 18066.5145780806. The cubic root of 326398949 is about 688.5195092836.

The spelling of 326398949 in words is "three hundred twenty-six million, three hundred ninety-eight thousand, nine hundred forty-nine".