579421 has 4 divisors (see below), whose sum is σ = 598144. Its totient is φ = 560700.

The previous prime is 579409. The next prime is 579427. The reversal of 579421 is 124975.

It is a happy number.

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 579421 - 2¹³ = 571229 is a prime.

It is a Duffinian number.

579421 is a lucky number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 579421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (579427) 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, 9315 + ... + 9376.

It is an arithmetic number, because the mean of its divisors is an integer number (149536).

2⁵⁷⁹⁴²¹ is an apocalyptic number.

It is an amenable number.

579421 is a deficient number, since it is larger than the sum of its proper divisors (18723).

579421 is a wasteful number, since it uses less digits than its factorization.

579421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18722.

The product of its digits is 2520, while the sum is 28.

The square root of 579421 is about 761.1970835467. The cubic root of 579421 is about 83.3677493401.

It can be divided in two parts, 579 and 421, that added together give a cube (1000 = 10³).

The spelling of 579421 in words is "five hundred seventy-nine thousand, four hundred twenty-one".