5189821 has 24 divisors (see below), whose sum is σ = 6640704. Its totient is φ = 3968640.

The previous prime is 5189809. The next prime is 5189839. The reversal of 5189821 is 1289815.

It is not a de Polignac number, because 5189821 - 2⁹ = 5189309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5189851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48450 + ... + 48556.

It is an arithmetic number, because the mean of its divisors is an integer number (276696).

Almost surely, 2^5189821 is an apocalyptic number.

It is an amenable number.

5189821 is a deficient number, since it is larger than the sum of its proper divisors (1450883).

5189821 is a wasteful number, since it uses less digits than its factorization.

5189821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 168 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 5189821 is about 2278.1178635005. The cubic root of 5189821 is about 173.1347030233.

The spelling of 5189821 in words is "five million, one hundred eighty-nine thousand, eight hundred twenty-one".