3117993 has 8 divisors (see below), whose sum is σ = 4300800. Its totient is φ = 2006928.

The previous prime is 3117991. The next prime is 3117997. The reversal of 3117993 is 3997113.

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

It is not a de Polignac number, because 3117993 - 2¹ = 3117991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3117991) 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 7 ways as a sum of consecutive naturals, for example, 17833 + ... + 18006.

It is an arithmetic number, because the mean of its divisors is an integer number (537600).

Almost surely, 2^3117993 is an apocalyptic number.

It is an amenable number.

3117993 is a deficient number, since it is larger than the sum of its proper divisors (1182807).

3117993 is a wasteful number, since it uses less digits than its factorization.

3117993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35871.

The product of its digits is 5103, while the sum is 33.

The square root of 3117993 is about 1765.7839618708. The cubic root of 3117993 is about 146.0915326448.

The spelling of 3117993 in words is "three million, one hundred seventeen thousand, nine hundred ninety-three".