992081 has 4 divisors (see below), whose sum is σ = 1018932. Its totient is φ = 965232.

The previous prime is 992051. The next prime is 992087. The reversal of 992081 is 180299.

992081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 173056 = 905^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 992081 - 2¹⁰ = 991057 is a prime.

It is a super-2 number, since 2×992081² = 1968449421122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (992087) 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, 13370 + ... + 13443.

It is an arithmetic number, because the mean of its divisors is an integer number (254733).

2⁹⁹²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

992081 is a deficient number, since it is larger than the sum of its proper divisors (26851).

992081 is a wasteful number, since it uses less digits than its factorization.

992081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26850.

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

The square root of 992081 is about 996.0326299876. The cubic root of 992081 is about 99.7353334676.

It can be divided in two parts, 9920 and 81, that added together give a palindrome (10001).

The spelling of 992081 in words is "nine hundred ninety-two thousand, eighty-one".