604820066 has 4 divisors (see below), whose sum is σ = 907230102. Its totient is φ = 302410032.

The previous prime is 604820039. The next prime is 604820071. The reversal of 604820066 is 660028406.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 574800625 + 30019441 = 23975^2 + 5479^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151205015 + ... + 151205018.

Almost surely, 2^604820066 is an apocalyptic number.

604820066 is a deficient number, since it is larger than the sum of its proper divisors (302410036).

604820066 is a wasteful number, since it uses less digits than its factorization.

604820066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302410035.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 604820066 is about 24593.0898018122. The cubic root of 604820066 is about 845.6852003301.

The spelling of 604820066 in words is "six hundred four million, eight hundred twenty thousand, sixty-six".