943321 has 2 divisors, whose sum is σ = 943322. Its totient is φ = 943320.

The previous prime is 943307. The next prime is 943343. The reversal of 943321 is 123349.

It is an a-pointer prime, because the next prime (943343) can be obtained adding 943321 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 168921 = 880^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 943321 - 2⁵ = 943289 is a prime.

It is a Chen prime.

943321 is a lucky number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 943292 and 943301.

It is not a weakly prime, because it can be changed into another prime (943301) 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, 471660 + 471661.

It is an arithmetic number, because the mean of its divisors is an integer number (471661).

2⁹⁴³³²¹ is an apocalyptic number.

It is an amenable number.

943321 is a deficient number, since it is larger than the sum of its proper divisors (1).

943321 is an equidigital number, since it uses as much as digits as its factorization.

943321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 943321 is about 971.2471364179. The cubic root of 943321 is about 98.0738371765.

The spelling of 943321 in words is "nine hundred forty-three thousand, three hundred twenty-one".