604404405 has 24 divisors (see below), whose sum is σ = 1142874720. Its totient is φ = 293044320.

The previous prime is 604404403. The next prime is 604404413. The reversal of 604404405 is 504404406.

It is not a de Polignac number, because 604404405 - 2¹ = 604404403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604404403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610015 + ... + 611004.

It is an arithmetic number, because the mean of its divisors is an integer number (47619780).

Almost surely, 2^604404405 is an apocalyptic number.

It is an amenable number.

604404405 is a deficient number, since it is larger than the sum of its proper divisors (538470315).

604404405 is a wasteful number, since it uses less digits than its factorization.

604404405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221041 (or 1221038 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 604404405 is about 24584.6375812213. The cubic root of 604404405 is about 845.4914242892.

Subtracting from 604404405 its reverse (504404406), we obtain a palindrome (99999999).

The spelling of 604404405 in words is "six hundred four million, four hundred four thousand, four hundred five".