604224385 has 4 divisors (see below), whose sum is σ = 725069268. Its totient is φ = 483379504.

The previous prime is 604224343. The next prime is 604224409. The reversal of 604224385 is 583422406.

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 151683856 + 452540529 = 12316^2 + 21273^2 .

It is a cyclic number.

It is not a de Polignac number, because 604224385 - 2¹⁵ = 604191617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 604224385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60422434 + ... + 60422443.

It is an arithmetic number, because the mean of its divisors is an integer number (181267317).

Almost surely, 2^604224385 is an apocalyptic number.

It is an amenable number.

604224385 is a deficient number, since it is larger than the sum of its proper divisors (120844883).

604224385 is a wasteful number, since it uses less digits than its factorization.

604224385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120844882.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 604224385 is about 24580.9760790738. The cubic root of 604224385 is about 845.4074736105.

The spelling of 604224385 in words is "six hundred four million, two hundred twenty-four thousand, three hundred eighty-five".