2443693 has 4 divisors (see below), whose sum is σ = 2792800. Its totient is φ = 2094588.

The previous prime is 2443687. The next prime is 2443703. The reversal of 2443693 is 3963442.

2443693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2443693 - 2¹³ = 2435501 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 4⁵ + 4⁸ + 3² + 6⁷ + 9 + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443613) 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 3 ways as a sum of consecutive naturals, for example, 174543 + ... + 174556.

It is an arithmetic number, because the mean of its divisors is an integer number (698200).

2^2443693 is an apocalyptic number.

It is an amenable number.

2443693 is a deficient number, since it is larger than the sum of its proper divisors (349107).

2443693 is an equidigital number, since it uses as much as digits as its factorization.

2443693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349106.

The product of its digits is 15552, while the sum is 31.

The square root of 2443693 is about 1563.2315887289. The cubic root of 2443693 is about 134.6941957847.

It can be divided in two parts, 2443 and 693, that added together give a square (3136 = 56²).

The spelling of 2443693 in words is "two million, four hundred forty-three thousand, six hundred ninety-three".