681106 has 8 divisors (see below), whose sum is σ = 1027584. Its totient is φ = 338580.

The previous prime is 681091. The next prime is 681113. The reversal of 681106 is 601186.

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

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, 510 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (128448).

2⁶⁸¹¹⁰⁶ is an apocalyptic number.

681106 is a deficient number, since it is larger than the sum of its proper divisors (346478).

681106 is a wasteful number, since it uses less digits than its factorization.

681106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 681106 is about 825.2914636660. The cubic root of 681106 is about 87.9842430466.

It can be divided in two parts, 681 and 106, that added together give a palindrome (787).

The spelling of 681106 in words is "six hundred eighty-one thousand, one hundred six".