604441091 has 4 divisors (see below), whose sum is σ = 636253800. Its totient is φ = 572628384.

The previous prime is 604441073. The next prime is 604441111. The reversal of 604441091 is 190144406.

It is a happy number.

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

It is not a de Polignac number, because 604441091 - 2⁶ = 604441027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604441021) 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, 15906326 + ... + 15906363.

It is an arithmetic number, because the mean of its divisors is an integer number (159063450).

Almost surely, 2^604441091 is an apocalyptic number.

604441091 is a deficient number, since it is larger than the sum of its proper divisors (31812709).

604441091 is a wasteful number, since it uses less digits than its factorization.

604441091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31812708.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 604441091 is about 24585.3836862474. The cubic root of 604441091 is about 845.5085304247.

Adding to 604441091 its reverse (190144406), we get a palindrome (794585497).

The spelling of 604441091 in words is "six hundred four million, four hundred forty-one thousand, ninety-one".