2193873 has 16 divisors (see below), whose sum is σ = 3360000. Its totient is φ = 1259280.

The previous prime is 2193853. The next prime is 2193881. The reversal of 2193873 is 3783912.

2193873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2193873 - 2¹⁰ = 2192849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

2193873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2193803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (210000).

2^2193873 is an apocalyptic number.

It is an amenable number.

2193873 is a deficient number, since it is larger than the sum of its proper divisors (1166127).

2193873 is a wasteful number, since it uses less digits than its factorization.

2193873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532.

The product of its digits is 9072, while the sum is 33.

The square root of 2193873 is about 1481.1728460919. The cubic root of 2193873 is about 129.9382941867.

The spelling of 2193873 in words is "two million, one hundred ninety-three thousand, eight hundred seventy-three".