561844092 has 24 divisors (see below), whose sum is σ = 1367968896. Its totient is φ = 179138608.

The previous prime is 561844061. The next prime is 561844109. The reversal of 561844092 is 290448165.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 561844092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017558 + ... + 1018109.

It is an arithmetic number, because the mean of its divisors is an integer number (56998704).

Almost surely, 2^561844092 is an apocalyptic number.

It is an amenable number.

561844092 is an abundant number, since it is smaller than the sum of its proper divisors (806124804).

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

561844092 is a wasteful number, since it uses less digits than its factorization.

561844092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035697 (or 2035695 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 561844092 is about 23703.2506631474. The cubic root of 561844092 is about 825.1608340244.

The spelling of 561844092 in words is "five hundred sixty-one million, eight hundred forty-four thousand, ninety-two".