326410397 has 2 divisors, whose sum is σ = 326410398. Its totient is φ = 326410396.

The previous prime is 326410373. The next prime is 326410423. The reversal of 326410397 is 793014623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269649241 + 56761156 = 16421^2 + 7534^2 .

It is a cyclic number.

It is not a de Polignac number, because 326410397 - 2⁶ = 326410333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326410297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163205198 + 163205199.

It is an arithmetic number, because the mean of its divisors is an integer number (163205199).

Almost surely, 2^326410397 is an apocalyptic number.

It is an amenable number.

326410397 is a deficient number, since it is larger than the sum of its proper divisors (1).

326410397 is an equidigital number, since it uses as much as digits as its factorization.

326410397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 326410397 is about 18066.8314045380. The cubic root of 326410397 is about 688.5275588185.

The spelling of 326410397 in words is "three hundred twenty-six million, four hundred ten thousand, three hundred ninety-seven".