604404406 has 4 divisors (see below), whose sum is σ = 906606612. Its totient is φ = 302202202.

The previous prime is 604404403. The next prime is 604404413.

604404406 is nontrivially palindromic in base 10.

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

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 as a sum of consecutive naturals, namely, 151101100 + ... + 151101103.

It is an arithmetic number, because the mean of its divisors is an integer number (226651653).

Almost surely, 2^604404406 is an apocalyptic number.

604404406 is a deficient number, since it is larger than the sum of its proper divisors (302202206).

604404406 is a wasteful number, since it uses less digits than its factorization.

604404406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302202205.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 604404406 is about 24584.6376015592. The cubic root of 604404406 is about 845.4914247555.

It can be divided in two parts, 60440 and 4406, that added together give a palindrome (64846).

The spelling of 604404406 in words is "six hundred four million, four hundred four thousand, four hundred six".