326993 has 2 divisors, whose sum is σ = 326994. Its totient is φ = 326992.

The previous prime is 326983. The next prime is 326999. The reversal of 326993 is 399623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253009 + 73984 = 503^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 326993 - 2⁸ = 326737 is a prime.

It is not a weakly prime, because it can be changed into another prime (326999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163496 + 163497.

It is an arithmetic number, because the mean of its divisors is an integer number (163497).

2³²⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

326993 is a deficient number, since it is larger than the sum of its proper divisors (1).

326993 is an equidigital number, since it uses as much as digits as its factorization.

326993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 32.

The square root of 326993 is about 571.8330175847. The cubic root of 326993 is about 68.8936961420.

The spelling of 326993 in words is "three hundred twenty-six thousand, nine hundred ninety-three".