1992167 has 2 divisors, whose sum is σ = 1992168. Its totient is φ = 1992166.

The previous prime is 1992163. The next prime is 1992181. The reversal of 1992167 is 7612991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1992167 - 2² = 1992163 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996083 + 996084.

It is an arithmetic number, because the mean of its divisors is an integer number (996084).

2^1992167 is an apocalyptic number.

1992167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992167 is an equidigital number, since it uses as much as digits as its factorization.

1992167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 35.

The square root of 1992167 is about 1411.4414617688. The cubic root of 1992167 is about 125.8274070958.

The spelling of 1992167 in words is "one million, nine hundred ninety-two thousand, one hundred sixty-seven".