681348 has 12 divisors (see below), whose sum is σ = 1589840. Its totient is φ = 227112.

The previous prime is 681341. The next prime is 681361. The reversal of 681348 is 843186.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (681341) by changing a digit.

681348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28378 + ... + 28401.

2⁶⁸¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

681348 is an abundant number, since it is smaller than the sum of its proper divisors (908492).

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

681348 is a wasteful number, since it uses less digits than its factorization.

681348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56786 (or 56784 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 681348 is about 825.4380655143. The cubic root of 681348 is about 87.9946622107.

The spelling of 681348 in words is "six hundred eighty-one thousand, three hundred forty-eight".