993631083 has 8 divisors (see below), whose sum is σ = 1328146896. Its totient is φ = 660768000.

The previous prime is 993631081. The next prime is 993631099. The reversal of 993631083 is 380136399.

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

It is not a de Polignac number, because 993631083 - 2¹ = 993631081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (993631081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411778 + ... + 414183.

It is an arithmetic number, because the mean of its divisors is an integer number (166018362).

Almost surely, 2^993631083 is an apocalyptic number.

993631083 is a deficient number, since it is larger than the sum of its proper divisors (334515813).

993631083 is a wasteful number, since it uses less digits than its factorization.

993631083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826365.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 993631083 is about 31521.9143295581. The cubic root of 993631083 is about 997.8725046400.

The spelling of 993631083 in words is "nine hundred ninety-three million, six hundred thirty-one thousand, eighty-three".