992171 has 4 divisors (see below), whose sum is σ = 1050552. Its totient is φ = 933792.

The previous prime is 992153. The next prime is 992179. The reversal of 992171 is 171299.

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

It is a cyclic number.

It is not a de Polignac number, because 992171 - 2¹⁰ = 991147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992179) 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, 29165 + ... + 29198.

It is an arithmetic number, because the mean of its divisors is an integer number (262638).

2⁹⁹²¹⁷¹ is an apocalyptic number.

992171 is a deficient number, since it is larger than the sum of its proper divisors (58381).

992171 is a wasteful number, since it uses less digits than its factorization.

992171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58380.

The product of its digits is 1134, while the sum is 29.

The square root of 992171 is about 996.0778082058. The cubic root of 992171 is about 99.7383493196.

The spelling of 992171 in words is "nine hundred ninety-two thousand, one hundred seventy-one".