604066820 has 48 divisors (see below), whose sum is σ = 1451253888. Its totient is φ = 206895360.

The previous prime is 604066787. The next prime is 604066823. The reversal of 604066820 is 28660406.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (604066823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199115 + ... + 202125.

It is an arithmetic number, because the mean of its divisors is an integer number (30234456).

Almost surely, 2^604066820 is an apocalyptic number.

It is an amenable number.

604066820 is an abundant number, since it is smaller than the sum of its proper divisors (847187068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

604066820 is a wasteful number, since it uses less digits than its factorization.

604066820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460 (or 4458 counting only the distinct ones).

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

The square root of 604066820 is about 24577.7708509132. The cubic root of 604066820 is about 845.3339809300. Note that the first 3 decimals are identical.

The spelling of 604066820 in words is "six hundred four million, sixty-six thousand, eight hundred twenty".