993905204 has 12 divisors (see below), whose sum is σ = 1841648004. Its totient is φ = 467720064.

The previous prime is 993905203. The next prime is 993905207. The reversal of 993905204 is 402509399.

It can be written as a sum of positive squares in 2 ways, for example, as 896882704 + 97022500 = 29948^2 + 9850^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993905201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7308059 + ... + 7308194.

It is an arithmetic number, because the mean of its divisors is an integer number (153470667).

Almost surely, 2^993905204 is an apocalyptic number.

It is an amenable number.

993905204 is a deficient number, since it is larger than the sum of its proper divisors (847742800).

993905204 is a wasteful number, since it uses less digits than its factorization.

993905204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616274 (or 14616272 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 993905204 is about 31526.2621317529. The cubic root of 993905204 is about 997.9642599078.

The spelling of 993905204 in words is "nine hundred ninety-three million, nine hundred five thousand, two hundred four".