5489821 has 4 divisors (see below), whose sum is σ = 5666944. Its totient is φ = 5312700.

The previous prime is 5489807. The next prime is 5489831. The reversal of 5489821 is 1289845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5489821 - 2¹¹ = 5487773 is a prime.

It is a super-2 number, since 2×5489821² = 60276269224082, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5489831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88515 + ... + 88576.

It is an arithmetic number, because the mean of its divisors is an integer number (1416736).

Almost surely, 2^5489821 is an apocalyptic number.

It is an amenable number.

5489821 is a deficient number, since it is larger than the sum of its proper divisors (177123).

5489821 is a wasteful number, since it uses less digits than its factorization.

5489821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177122.

The product of its digits is 23040, while the sum is 37.

The square root of 5489821 is about 2343.0367047915. The cubic root of 5489821 is about 176.4084543196.

The spelling of 5489821 in words is "five million, four hundred eighty-nine thousand, eight hundred twenty-one".