92881 has 4 divisors (see below), whose sum is σ = 93492. Its totient is φ = 92272.

The previous prime is 92867. The next prime is 92893. The reversal of 92881 is 18829.

92881 = 215² + 216².

92881 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18829 = 19 ⋅991.

It can be written as a sum of positive squares in 2 ways, for example, as 46656 + 46225 = 216^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 92881 - 2⁵ = 92849 is a prime.

It is a super-2 number, since 2×92881² = 17253760322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (92801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (23373).

2⁹²⁸⁸¹ is an apocalyptic number.

92881 is the 216-th centered square number.

It is an amenable number.

92881 is a deficient number, since it is larger than the sum of its proper divisors (611).

92881 is a wasteful number, since it uses less digits than its factorization.

92881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 1152, while the sum is 28.

The square root of 92881 is about 304.7638429998. The cubic root of 92881 is about 45.2872164140.

The spelling of 92881 in words is "ninety-two thousand, eight hundred eighty-one".