2194593 has 4 divisors (see below), whose sum is σ = 2926128. Its totient is φ = 1463060.

The previous prime is 2194579. The next prime is 2194613. The reversal of 2194593 is 3954912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2194593 - 2⁶ = 2194529 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2194553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365763 + ... + 365768.

It is an arithmetic number, because the mean of its divisors is an integer number (731532).

2^2194593 is an apocalyptic number.

It is an amenable number.

2194593 is a deficient number, since it is larger than the sum of its proper divisors (731535).

2194593 is an equidigital number, since it uses as much as digits as its factorization.

2194593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731534.

The product of its digits is 9720, while the sum is 33.

The square root of 2194593 is about 1481.4158767881. The cubic root of 2194593 is about 129.9525073065.

The spelling of 2194593 in words is "two million, one hundred ninety-four thousand, five hundred ninety-three".