604568449 has 4 divisors (see below), whose sum is σ = 605014020. Its totient is φ = 604122880.

The previous prime is 604568443. The next prime is 604568507. The reversal of 604568449 is 944865406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284158449 + 320410000 = 16857^2 + 17900^2 .

It is a cyclic number.

It is not a de Polignac number, because 604568449 - 2⁹ = 604567937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 604568399 and 604568408.

It is not an unprimeable number, because it can be changed into a prime (604568443) 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, 220744 + ... + 223465.

It is an arithmetic number, because the mean of its divisors is an integer number (151253505).

Almost surely, 2^604568449 is an apocalyptic number.

It is an amenable number.

604568449 is a deficient number, since it is larger than the sum of its proper divisors (445571).

604568449 is a wasteful number, since it uses less digits than its factorization.

604568449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445570.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 604568449 is about 24587.9736660018. The cubic root of 604568449 is about 845.5679101916.

The spelling of 604568449 in words is "six hundred four million, five hundred sixty-eight thousand, four hundred forty-nine".