2493493 has 4 divisors (see below), whose sum is σ = 2496960. Its totient is φ = 2490028.

The previous prime is 2493479. The next prime is 2493511. The reversal of 2493493 is 3943942.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2493493 - 2¹⁷ = 2362421 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 (2493443) 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, 205 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (624240).

2^2493493 is an apocalyptic number.

It is an amenable number.

2493493 is a deficient number, since it is larger than the sum of its proper divisors (3467).

2493493 is a wasteful number, since it uses less digits than its factorization.

2493493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its digits is 23328, while the sum is 34.

The square root of 2493493 is about 1579.0797953238. The cubic root of 2493493 is about 135.6030270844.

The spelling of 2493493 in words is "two million, four hundred ninety-three thousand, four hundred ninety-three".