992287 has 4 divisors (see below), whose sum is σ = 1008616. Its totient is φ = 975960.

The previous prime is 992281. The next prime is 992309. The reversal of 992287 is 782299.

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 992287 - 2¹¹ = 990239 is a prime.

It is a Duffinian number.

992287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992281) by changing a digit.

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, 8073 + ... + 8194.

It is an arithmetic number, because the mean of its divisors is an integer number (252154).

2⁹⁹²²⁸⁷ is an apocalyptic number.

992287 is a deficient number, since it is larger than the sum of its proper divisors (16329).

992287 is a wasteful number, since it uses less digits than its factorization.

992287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16328.

The product of its digits is 18144, while the sum is 37.

The square root of 992287 is about 996.1360348868. The cubic root of 992287 is about 99.7422361489.

It can be divided in two parts, 99228 and 7, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 992287 in words is "nine hundred ninety-two thousand, two hundred eighty-seven".