561810796 has 24 divisors (see below), whose sum is σ = 992409264. Its totient is φ = 278277120.

The previous prime is 561810763. The next prime is 561810839. The reversal of 561810796 is 697018165.

It is a happy number.

561810796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228936 + ... + 231376.

It is an arithmetic number, because the mean of its divisors is an integer number (41350386).

Almost surely, 2^561810796 is an apocalyptic number.

It is an amenable number.

561810796 is a deficient number, since it is larger than the sum of its proper divisors (430598468).

561810796 is a wasteful number, since it uses less digits than its factorization.

561810796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2959 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 561810796 is about 23702.5483018177. The cubic root of 561810796 is about 825.1445334775.

The spelling of 561810796 in words is "five hundred sixty-one million, eight hundred ten thousand, seven hundred ninety-six".