604890005 has 18 divisors (see below), whose sum is σ = 772271394. Its totient is φ = 454742656.

The previous prime is 604889993. The next prime is 604890019. The reversal of 604890005 is 500098406.

It can be written as a sum of positive squares in 3 ways, for example, as 202606756 + 402283249 = 14234^2 + 20057^2 .

It is not a de Polignac number, because 604890005 - 2¹² = 604885909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 934592 + ... + 935238.

Almost surely, 2^604890005 is an apocalyptic number.

It is an amenable number.

604890005 is a deficient number, since it is larger than the sum of its proper divisors (167381389).

604890005 is an frugal number, since it uses more digits than its factorization.

604890005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 604890005 is about 24594.5116845202. The cubic root of 604890005 is about 845.7177963042.

The spelling of 604890005 in words is "six hundred four million, eight hundred ninety thousand, five".