993668683 has 8 divisors (see below), whose sum is σ = 1202422752. Its totient is φ = 801614976.

The previous prime is 993668681. The next prime is 993668719. The reversal of 993668683 is 386866399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 993668683 - 2¹ = 993668681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993668681) 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 7 ways as a sum of consecutive naturals, for example, 4174960 + ... + 4175197.

It is an arithmetic number, because the mean of its divisors is an integer number (150302844).

Almost surely, 2^993668683 is an apocalyptic number.

993668683 is a deficient number, since it is larger than the sum of its proper divisors (208754069).

993668683 is a wasteful number, since it uses less digits than its factorization.

993668683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350181.

The product of its digits is 10077696, while the sum is 58.

The square root of 993668683 is about 31522.5107343942. The cubic root of 993668683 is about 997.8850913145.

The spelling of 993668683 in words is "nine hundred ninety-three million, six hundred sixty-eight thousand, six hundred eighty-three".