81348 has 12 divisors (see below), whose sum is σ = 189840. Its totient is φ = 27112.

The previous prime is 81343. The next prime is 81349. The reversal of 81348 is 84318.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (81343) by changing a digit.

81348 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, 3378 + ... + 3401.

It is an arithmetic number, because the mean of its divisors is an integer number (15820).

2⁸¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

81348 is an abundant number, since it is smaller than the sum of its proper divisors (108492).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94920).

81348 is a wasteful number, since it uses less digits than its factorization.

81348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786 (or 6784 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 81348 is about 285.2157078423. The cubic root of 81348 is about 43.3293618977.

It can be divided in two parts, 813 and 48, that added together give a triangular number (861 = T₄₁).

The spelling of 81348 in words is "eighty-one thousand, three hundred forty-eight".