681796 has 12 divisors (see below), whose sum is σ = 1256080. Its totient is φ = 322920.

The previous prime is 681787. The next prime is 681809. The reversal of 681796 is 697186.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 4410 + ... + 4561.

2⁶⁸¹⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

681796 is a deficient number, since it is larger than the sum of its proper divisors (574284).

681796 is a wasteful number, since it uses less digits than its factorization.

681796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994 (or 8992 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 681796 is about 825.7093919776. The cubic root of 681796 is about 88.0139440714.

The spelling of 681796 in words is "six hundred eighty-one thousand, seven hundred ninety-six".