968943321 has 6 divisors (see below), whose sum is σ = 1399584810. Its totient is φ = 645962208.

The previous prime is 968943317. The next prime is 968943341. The reversal of 968943321 is 123349869.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 962240400 + 6702921 = 31020^2 + 2589^2 .

It is not a de Polignac number, because 968943321 - 2² = 968943317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (968943301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53830176 + ... + 53830193.

It is an arithmetic number, because the mean of its divisors is an integer number (233264135).

Almost surely, 2^968943321 is an apocalyptic number.

It is an amenable number.

968943321 is a deficient number, since it is larger than the sum of its proper divisors (430641489).

968943321 is a wasteful number, since it uses less digits than its factorization.

968943321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107660375 (or 107660372 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 968943321 is about 31127.8544233296. The cubic root of 968943321 is about 989.5387168436.

The spelling of 968943321 in words is "nine hundred sixty-eight million, nine hundred forty-three thousand, three hundred twenty-one".