561849948 has 54 divisors (see below), whose sum is σ = 1561093352. Its totient is φ = 170256240.

The previous prime is 561849943. The next prime is 561849989. The reversal of 561849948 is 849948165.

561849948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 561849894 and 561849903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561849943) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60136 + ... + 68847.

Almost surely, 2^561849948 is an apocalyptic number.

It is an amenable number.

561849948 is an abundant number, since it is smaller than the sum of its proper divisors (999243404).

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

561849948 is a wasteful number, since it uses less digits than its factorization.

561849948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129015 (or 128999 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 561849948 is about 23703.3741901865. The cubic root of 561849948 is about 825.1637008488.

The spelling of 561849948 in words is "five hundred sixty-one million, eight hundred forty-nine thousand, nine hundred forty-eight".