581996 has 12 divisors (see below), whose sum is σ = 1031352. Its totient is φ = 287328.

The previous prime is 581983. The next prime is 582011. The reversal of 581996 is 699185.

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, 545 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (85946).

2⁵⁸¹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

581996 is a deficient number, since it is larger than the sum of its proper divisors (449356).

581996 is a wasteful number, since it uses less digits than its factorization.

581996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1838 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 581996 is about 762.8866232934. The cubic root of 581996 is about 83.4910648165.

The spelling of 581996 in words is "five hundred eighty-one thousand, nine hundred ninety-six".