2494663 has 4 divisors (see below), whose sum is σ = 2575168. Its totient is φ = 2414160.

The previous prime is 2494637. The next prime is 2494669. The reversal of 2494663 is 3664942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3664942 = 2 ⋅1832471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2494663 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 (2494669) 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, 40206 + ... + 40267.

It is an arithmetic number, because the mean of its divisors is an integer number (643792).

2^2494663 is an apocalyptic number.

2494663 is a deficient number, since it is larger than the sum of its proper divisors (80505).

2494663 is an equidigital number, since it uses as much as digits as its factorization.

2494663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80504.

The product of its digits is 31104, while the sum is 34.

The square root of 2494663 is about 1579.4502208047. The cubic root of 2494663 is about 135.6242330437.

The spelling of 2494663 in words is "two million, four hundred ninety-four thousand, six hundred sixty-three".