326289349 has 2 divisors, whose sum is σ = 326289350. Its totient is φ = 326289348.

The previous prime is 326289343. The next prime is 326289361. The reversal of 326289349 is 943982623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323460225 + 2829124 = 17985^2 + 1682^2 .

It is an emirp because it is prime and its reverse (943982623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 326289349 - 2⁷ = 326289221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326289299 and 326289308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326289343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163144674 + 163144675.

It is an arithmetic number, because the mean of its divisors is an integer number (163144675).

Almost surely, 2^326289349 is an apocalyptic number.

It is an amenable number.

326289349 is a deficient number, since it is larger than the sum of its proper divisors (1).

326289349 is an equidigital number, since it uses as much as digits as its factorization.

326289349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 326289349 is about 18063.4810875423. The cubic root of 326289349 is about 688.4424357245.

The spelling of 326289349 in words is "three hundred twenty-six million, two hundred eighty-nine thousand, three hundred forty-nine".