5003821 has 12 divisors (see below), whose sum is σ = 5376672. Its totient is φ = 4655304.

The previous prime is 5003819. The next prime is 5003827. The reversal of 5003821 is 1283005.

It is a happy number.

5003821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5003821 - 2¹ = 5003819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5003827) 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 11 ways as a sum of consecutive naturals, for example, 29880 + ... + 30046.

It is an arithmetic number, because the mean of its divisors is an integer number (448056).

Almost surely, 2^5003821 is an apocalyptic number.

It is an amenable number.

5003821 is a deficient number, since it is larger than the sum of its proper divisors (372851).

5003821 is a wasteful number, since it uses less digits than its factorization.

5003821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5003821 is about 2236.9222159029. The cubic root of 5003821 is about 171.0411423638.

Adding to 5003821 its reverse (1283005), we get a palindrome (6286826).

The spelling of 5003821 in words is "five million, three thousand, eight hundred twenty-one".