92981 has 8 divisors (see below), whose sum is σ = 109440. Its totient is φ = 77328.

The previous prime is 92959. The next prime is 92987. The reversal of 92981 is 18929.

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

It is a cyclic number.

It is not a de Polignac number, because 92981 - 2¹⁰ = 91957 is a prime.

It is a super-2 number, since 2×92981² = 17290932722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 438.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2⁹²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

92981 is a deficient number, since it is larger than the sum of its proper divisors (16459).

92981 is a wasteful number, since it uses less digits than its factorization.

92981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its digits is 1296, while the sum is 29.

The square root of 92981 is about 304.9278603211. The cubic root of 92981 is about 45.3034633585.

The spelling of 92981 in words is "ninety-two thousand, nine hundred eighty-one".