561496 has 16 divisors (see below), whose sum is σ = 1134000. Its totient is φ = 259104.

The previous prime is 561461. The next prime is 561521. The reversal of 561496 is 694165.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2596 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (70875).

2⁵⁶¹⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

561496 is an abundant number, since it is smaller than the sum of its proper divisors (572504).

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

561496 is a wasteful number, since it uses less digits than its factorization.

561496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418 (or 5414 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 561496 is about 749.3303677284. The cubic root of 561496 is about 82.4990388624.

The spelling of 561496 in words is "five hundred sixty-one thousand, four hundred ninety-six".