993791012 has 12 divisors (see below), whose sum is σ = 1739450076. Its totient is φ = 496805280.

The previous prime is 993791011. The next prime is 993791023. The reversal of 993791012 is 210197399.

It can be written as a sum of positive squares in 2 ways, for example, as 578691136 + 415099876 = 24056^2 + 20374^2 .

It is not an unprimeable number, because it can be changed into a prime (993791011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6338 + ... + 45030.

It is an arithmetic number, because the mean of its divisors is an integer number (144954173).

Almost surely, 2^993791012 is an apocalyptic number.

It is an amenable number.

993791012 is a deficient number, since it is larger than the sum of its proper divisors (745659064).

993791012 is a wasteful number, since it uses less digits than its factorization.

993791012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45118 (or 45116 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 993791012 is about 31524.4510182176. The cubic root of 993791012 is about 997.9260389927.

The spelling of 993791012 in words is "nine hundred ninety-three million, seven hundred ninety-one thousand, twelve".