561486 has 8 divisors (see below), whose sum is σ = 1122984. Its totient is φ = 187160.

The previous prime is 561461. The next prime is 561521. The reversal of 561486 is 684165.

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

561486 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 561486.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46785 + ... + 46796.

It is an arithmetic number, because the mean of its divisors is an integer number (140373).

2⁵⁶¹⁴⁸⁶ is an apocalyptic number.

561486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561486 is a wasteful number, since it uses less digits than its factorization.

561486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93586.

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

The square root of 561486 is about 749.3236950744. The cubic root of 561486 is about 82.4985491021.

The spelling of 561486 in words is "five hundred sixty-one thousand, four hundred eighty-six".