604445 has 4 divisors (see below), whose sum is σ = 725340. Its totient is φ = 483552.

The previous prime is 604441. The next prime is 604477. The reversal of 604445 is 544406.

It is a happy number.

604445 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 544406 = 2 ⋅272203.

It can be written as a sum of positive squares in 2 ways, for example, as 320356 + 284089 = 566^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 604445 - 2² = 604441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 604445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604441) 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, 60440 + ... + 60449.

It is an arithmetic number, because the mean of its divisors is an integer number (181335).

2⁶⁰⁴⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

604445 is a deficient number, since it is larger than the sum of its proper divisors (120895).

604445 is a wasteful number, since it uses less digits than its factorization.

604445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120894.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 604445 is about 777.4606099347. The cubic root of 604445 is about 84.5510353092.

The spelling of 604445 in words is "six hundred four thousand, four hundred forty-five".