2111893 has 8 divisors (see below), whose sum is σ = 2555712. Its totient is φ = 1703616.

The previous prime is 2111873. The next prime is 2111897. The reversal of 2111893 is 3981112.

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 2111893 - 2⁵ = 2111861 is a prime.

2111893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111897) 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, 8755 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (319464).

2^2111893 is an apocalyptic number.

It is an amenable number.

2111893 is a deficient number, since it is larger than the sum of its proper divisors (443819).

2111893 is a wasteful number, since it uses less digits than its factorization.

2111893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17771.

The product of its digits is 432, while the sum is 25.

The square root of 2111893 is about 1453.2353560246. The cubic root of 2111893 is about 128.2992064576.

The spelling of 2111893 in words is "two million, one hundred eleven thousand, eight hundred ninety-three".