4821403 has 4 divisors (see below), whose sum is σ = 4825800. Its totient is φ = 4817008.

The previous prime is 4821389. The next prime is 4821407. The reversal of 4821403 is 3041284.

It is a semiprime because it is the product of two primes, 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 4821403 - 2²¹ = 2724251 is a prime.

It is a Duffinian number.

4821403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4821407) 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, 951 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (1206450).

Almost surely, 2^4821403 is an apocalyptic number.

4821403 is a deficient number, since it is larger than the sum of its proper divisors (4397).

4821403 is a wasteful number, since it uses less digits than its factorization.

4821403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4821403 is about 2195.7693412560. The cubic root of 4821403 is about 168.9368834018.

Adding to 4821403 its reverse (3041284), we get a palindrome (7862687).

The spelling of 4821403 in words is "four million, eight hundred twenty-one thousand, four hundred three".