3111393 has 8 divisors (see below), whose sum is σ = 4157056. Its totient is φ = 2070000.

The previous prime is 3111349. The next prime is 3111397. The reversal of 3111393 is 3931113.

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

It is not a de Polignac number, because 3111393 - 2⁸ = 3111137 is a prime.

It is a Duffinian number.

3111393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3111397) 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, 1563 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (519632).

Almost surely, 2^3111393 is an apocalyptic number.

It is an amenable number.

3111393 is a deficient number, since it is larger than the sum of its proper divisors (1045663).

3111393 is a wasteful number, since it uses less digits than its factorization.

3111393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 243, while the sum is 21.

The square root of 3111393 is about 1763.9141135554. The cubic root of 3111393 is about 145.9883802600.

The spelling of 3111393 in words is "three million, one hundred eleven thousand, three hundred ninety-three".