2493863 has 4 divisors (see below), whose sum is σ = 2534808. Its totient is φ = 2452920.

The previous prime is 2493859. The next prime is 2493877. The reversal of 2493863 is 3683942.

It is a happy number.

2493863 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.

It is a cyclic number.

It is not a de Polignac number, because 2493863 - 2² = 2493859 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁹ + 9 + 3 + 8⁷ + 6⁴ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493833) 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, 20381 + ... + 20502.

It is an arithmetic number, because the mean of its divisors is an integer number (633702).

2^2493863 is an apocalyptic number.

2493863 is a deficient number, since it is larger than the sum of its proper divisors (40945).

2493863 is an equidigital number, since it uses as much as digits as its factorization.

2493863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40944.

The product of its digits is 31104, while the sum is 35.

The square root of 2493863 is about 1579.1969478187. The cubic root of 2493863 is about 135.6097339595.

The spelling of 2493863 in words is "two million, four hundred ninety-three thousand, eight hundred sixty-three".