561936344 has 16 divisors (see below), whose sum is σ = 1062956520. Its totient is φ = 278481280.

The previous prime is 561936337. The next prime is 561936359. The reversal of 561936344 is 443639165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309902 + ... + 311709.

Almost surely, 2^561936344 is an apocalyptic number.

It is an amenable number.

561936344 is a deficient number, since it is larger than the sum of its proper divisors (501020176).

561936344 is a wasteful number, since it uses less digits than its factorization.

561936344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621730 (or 621726 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 561936344 is about 23705.1965610918. The cubic root of 561936344 is about 825.2059939851.

The spelling of 561936344 in words is "five hundred sixty-one million, nine hundred thirty-six thousand, three hundred forty-four".