943349321 has 2 divisors, whose sum is σ = 943349322. Its totient is φ = 943349320.

The previous prime is 943349317. The next prime is 943349327. The reversal of 943349321 is 123943349.

It is a happy number.

943349321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537729721 + 405619600 = 23189^2 + 20140^2 .

It is a cyclic number.

It is not a de Polignac number, because 943349321 - 2² = 943349317 is a prime.

It is a super-2 number, since 2×943349321² = 1779815882862322082, which contains 22 as substring.

It is equal to p_48109466 and since 943349321 and 48109466 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (943349327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471674660 + 471674661.

It is an arithmetic number, because the mean of its divisors is an integer number (471674661).

Almost surely, 2^943349321 is an apocalyptic number.

It is an amenable number.

943349321 is a deficient number, since it is larger than the sum of its proper divisors (1).

943349321 is an equidigital number, since it uses as much as digits as its factorization.

943349321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 943349321 is about 30713.9922673690. The cubic root of 943349321 is about 980.7481864568.

The spelling of 943349321 in words is "nine hundred forty-three million, three hundred forty-nine thousand, three hundred twenty-one".