993321268 has 12 divisors (see below), whose sum is σ = 1780710372. Its totient is φ = 484546880.

The previous prime is 993321239. The next prime is 993321269. The reversal of 993321268 is 862123399.

993321268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 412414864 + 580906404 = 20308^2 + 24102^2 .

It is a super-2 number, since 2×993321268² = 1973374282922255648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993321269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028255 + ... + 3028582.

It is an arithmetic number, because the mean of its divisors is an integer number (148392531).

Almost surely, 2^993321268 is an apocalyptic number.

It is an amenable number.

993321268 is a deficient number, since it is larger than the sum of its proper divisors (787389104).

993321268 is a wasteful number, since it uses less digits than its factorization.

993321268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056882 (or 6056880 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 993321268 is about 31516.9996668465. Note that the first 3 decimals coincide. The cubic root of 993321268 is about 997.7687813660.

The spelling of 993321268 in words is "nine hundred ninety-three million, three hundred twenty-one thousand, two hundred sixty-eight".