3191393 has 8 divisors (see below), whose sum is σ = 3398112. Its totient is φ = 2986816.

The previous prime is 3191389. The next prime is 3191407. The reversal of 3191393 is 3931913.

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 3191393 - 2² = 3191389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3191303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446 + ... + 4272.

It is an arithmetic number, because the mean of its divisors is an integer number (424764).

Almost surely, 2^3191393 is an apocalyptic number.

It is an amenable number.

3191393 is a deficient number, since it is larger than the sum of its proper divisors (206719).

3191393 is a wasteful number, since it uses less digits than its factorization.

3191393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its digits is 2187, while the sum is 29.

The square root of 3191393 is about 1786.4470325201. The cubic root of 3191393 is about 147.2290227361.

The spelling of 3191393 in words is "three million, one hundred ninety-one thousand, three hundred ninety-three".