892081 has 4 divisors (see below), whose sum is σ = 894064. Its totient is φ = 890100.

The previous prime is 892079. The next prime is 892091. The reversal of 892081 is 180298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180298 = 2 ⋅90149.

It is a cyclic number.

It is not a de Polignac number, because 892081 - 2¹ = 892079 is a prime.

It is a super-2 number, since 2×892081² = 1591617021122, which contains 22 as substring.

It is the 945-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (892091) by changing a digit.

It is a nontrivial repunit in base 944.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (223516).

2⁸⁹²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

892081 is a deficient number, since it is larger than the sum of its proper divisors (1983).

892081 is a wasteful number, since it uses less digits than its factorization.

892081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

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

The square root of 892081 is about 944.5003970354. The cubic root of 892081 is about 96.2649293759.

The spelling of 892081 in words is "eight hundred ninety-two thousand, eighty-one".