561932 has 36 divisors (see below), whose sum is σ = 1187424. Its totient is φ = 231840.

The previous prime is 561931. The next prime is 561943. The reversal of 561932 is 239165.

It is not an unprimeable number, because it can be changed into a prime (561931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9182 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2⁵⁶¹⁹³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593712).

561932 is an abundant number, since it is smaller than the sum of its proper divisors (625492).

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

561932 is a wasteful number, since it uses less digits than its factorization.

561932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 561932 is about 749.6212376927. The cubic root of 561932 is about 82.5203867585.

The spelling of 561932 in words is "five hundred sixty-one thousand, nine hundred thirty-two".