993939108 has 24 divisors (see below), whose sum is σ = 2321427360. Its totient is φ = 330993600.

The previous prime is 993939083. The next prime is 993939113. The reversal of 993939108 is 801939399.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26793 + ... + 52016.

It is an arithmetic number, because the mean of its divisors is an integer number (96726140).

Almost surely, 2^993939108 is an apocalyptic number.

It is an amenable number.

993939108 is an abundant number, since it is smaller than the sum of its proper divisors (1327488252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993939108 is a wasteful number, since it uses less digits than its factorization.

993939108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79867 (or 79865 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

The square root of 993939108 is about 31526.7998375985. The cubic root of 993939108 is about 997.9756072662.

The spelling of 993939108 in words is "nine hundred ninety-three million, nine hundred thirty-nine thousand, one hundred eight".