1992286 has 4 divisors (see below), whose sum is σ = 2988432. Its totient is φ = 996142.

The previous prime is 1992269. The next prime is 1992299. The reversal of 1992286 is 6822991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6822991 = 7 ⋅974713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498070 + ... + 498073.

It is an arithmetic number, because the mean of its divisors is an integer number (747108).

2^1992286 is an apocalyptic number.

1992286 is a deficient number, since it is larger than the sum of its proper divisors (996146).

1992286 is an equidigital number, since it uses as much as digits as its factorization.

1992286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996145.

The product of its digits is 15552, while the sum is 37.

The square root of 1992286 is about 1411.4836166247. The cubic root of 1992286 is about 125.8299124352.

It can be divided in two parts, 1992 and 286, that added together give a triangular number (2278 = T₆₇).

The spelling of 1992286 in words is "one million, nine hundred ninety-two thousand, two hundred eighty-six".