561704996 has 24 divisors (see below), whose sum is σ = 1016553216. Its totient is φ = 271294560.

The previous prime is 561704993. The next prime is 561705097. The reversal of 561704996 is 699407165.

It is a self number, because there is not a number n which added to its sum of digits gives 561704996.

It is not an unprimeable number, because it can be changed into a prime (561704993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68930 + ... + 76646.

It is an arithmetic number, because the mean of its divisors is an integer number (42356384).

Almost surely, 2^561704996 is an apocalyptic number.

It is an amenable number.

561704996 is a deficient number, since it is larger than the sum of its proper divisors (454848220).

561704996 is a wasteful number, since it uses less digits than its factorization.

561704996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339 (or 8337 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 561704996 is about 23700.3163691964. The cubic root of 561704996 is about 825.0927332552.

The spelling of 561704996 in words is "five hundred sixty-one million, seven hundred four thousand, nine hundred ninety-six".