561468 has 24 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 184240.

The previous prime is 561461. The next prime is 561521. The reversal of 561468 is 864165.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2⁵⁶¹⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

561468 is an abundant number, since it is smaller than the sum of its proper divisors (769092).

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

561468 is a wasteful number, since it uses less digits than its factorization.

561468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 735 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 561468 is about 749.3116841475. The cubic root of 561468 is about 82.4976675190.

The spelling of 561468 in words is "five hundred sixty-one thousand, four hundred sixty-eight".