2493803 has 4 divisors (see below), whose sum is σ = 2685648. Its totient is φ = 2301960.

The previous prime is 2493779. The next prime is 2493817. The reversal of 2493803 is 3083942.

2493803 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 2493803 - 2¹⁶ = 2428267 is a prime.

It is a Duffinian 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, 95903 + ... + 95928.

It is an arithmetic number, because the mean of its divisors is an integer number (671412).

2^2493803 is an apocalyptic number.

2493803 is a deficient number, since it is larger than the sum of its proper divisors (191845).

2493803 is a wasteful number, since it uses less digits than its factorization.

2493803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191844.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2493803 is about 1579.1779507073. The cubic root of 2493803 is about 135.6086464032.

The spelling of 2493803 in words is "two million, four hundred ninety-three thousand, eight hundred three".