604021 has 8 divisors (see below), whose sum is σ = 674784. Its totient is φ = 535920.

The previous prime is 604013. The next prime is 604031. The reversal of 604021 is 120406.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 604021 - 2³ = 604013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 603992 and 604010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (84348).

2⁶⁰⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

604021 is a deficient number, since it is larger than the sum of its proper divisors (70763).

604021 is a wasteful number, since it uses less digits than its factorization.

604021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 604021 is about 777.1878794732. The cubic root of 604021 is about 84.5312606814.

Adding to 604021 its reverse (120406), we get a palindrome (724427).

The spelling of 604021 in words is "six hundred four thousand, twenty-one".