2173693 has 4 divisors (see below), whose sum is σ = 2224288. Its totient is φ = 2123100.

The previous prime is 2173679. The next prime is 2173711. The reversal of 2173693 is 3963712.

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 2173693 - 2²¹ = 76541 is a prime.

It is a Duffinian number.

2173693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173643) 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, 25233 + ... + 25318.

It is an arithmetic number, because the mean of its divisors is an integer number (556072).

2^2173693 is an apocalyptic number.

It is an amenable number.

2173693 is a deficient number, since it is larger than the sum of its proper divisors (50595).

2173693 is an equidigital number, since it uses as much as digits as its factorization.

2173693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50594.

The product of its digits is 6804, while the sum is 31.

The square root of 2173693 is about 1474.3449392866. The cubic root of 2173693 is about 129.5386606098.

The spelling of 2173693 in words is "two million, one hundred seventy-three thousand, six hundred ninety-three".