2043493 has 4 divisors (see below), whose sum is σ = 2069440. Its totient is φ = 2017548.

The previous prime is 2043491. The next prime is 2043497. The reversal of 2043493 is 3943402.

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 2043493 - 2¹ = 2043491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12855 + ... + 13012.

It is an arithmetic number, because the mean of its divisors is an integer number (517360).

2^2043493 is an apocalyptic number.

It is an amenable number.

2043493 is a deficient number, since it is larger than the sum of its proper divisors (25947).

2043493 is an equidigital number, since it uses as much as digits as its factorization.

2043493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25946.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2043493 is about 1429.5079573056. The cubic root of 2043493 is about 126.8988592724.

Adding to 2043493 its reverse (3943402), we get a palindrome (5986895).

The spelling of 2043493 in words is "two million, forty-three thousand, four hundred ninety-three".