5821389 has 20 divisors (see below), whose sum is σ = 9939424. Its totient is φ = 3326184.

The previous prime is 5821367. The next prime is 5821393. The reversal of 5821389 is 9831285.

It is not a de Polignac number, because 5821389 - 2⁵ = 5821357 is a prime.

It is an Ulam number.

It is a Duffinian number.

5821389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5821339) 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 19 ways as a sum of consecutive naturals, for example, 4567 + ... + 5700.

Almost surely, 2^5821389 is an apocalyptic number.

It is an amenable number.

5821389 is a deficient number, since it is larger than the sum of its proper divisors (4118035).

5821389 is a wasteful number, since it uses less digits than its factorization.

5821389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286 (or 10277 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 5821389 is about 2412.7554787006. The cubic root of 5821389 is about 179.8907670588.

The spelling of 5821389 in words is "five million, eight hundred twenty-one thousand, three hundred eighty-nine".