5986421 has 4 divisors (see below), whose sum is σ = 6841632. Its totient is φ = 5131212.

The previous prime is 5986391. The next prime is 5986427. The reversal of 5986421 is 1246895.

5986421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5986421 - 2¹⁴ = 5970037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5986427) 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 3 ways as a sum of consecutive naturals, for example, 427595 + ... + 427608.

It is an arithmetic number, because the mean of its divisors is an integer number (1710408).

Almost surely, 2^5986421 is an apocalyptic number.

It is an amenable number.

5986421 is a deficient number, since it is larger than the sum of its proper divisors (855211).

5986421 is an equidigital number, since it uses as much as digits as its factorization.

5986421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855210.

The product of its digits is 17280, while the sum is 35.

The square root of 5986421 is about 2446.7163709756. The cubic root of 5986421 is about 181.5748741817.

The spelling of 5986421 in words is "five million, nine hundred eighty-six thousand, four hundred twenty-one".