561422926 has 8 divisors (see below), whose sum is σ = 891671760. Its totient is φ = 264199008.

The previous prime is 561422923. The next prime is 561422957. The reversal of 561422926 is 629224165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561422923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8256186 + ... + 8256253.

It is an arithmetic number, because the mean of its divisors is an integer number (111458970).

Almost surely, 2^561422926 is an apocalyptic number.

561422926 is a deficient number, since it is larger than the sum of its proper divisors (330248834).

561422926 is a wasteful number, since it uses less digits than its factorization.

561422926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16512458.

The product of its digits is 51840, while the sum is 37.

The square root of 561422926 is about 23694.3648574930. The cubic root of 561422926 is about 824.9545985422.

The spelling of 561422926 in words is "five hundred sixty-one million, four hundred twenty-two thousand, nine hundred twenty-six".