1982167 has 8 divisors (see below), whose sum is σ = 2172672. Its totient is φ = 1793400.

The previous prime is 1982159. The next prime is 1982173. The reversal of 1982167 is 7612891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982167 - 2³ = 1982159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792 + ... + 4282.

It is an arithmetic number, because the mean of its divisors is an integer number (271584).

2^1982167 is an apocalyptic number.

1982167 is a deficient number, since it is larger than the sum of its proper divisors (190505).

1982167 is a wasteful number, since it uses less digits than its factorization.

1982167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its digits is 6048, while the sum is 34.

The square root of 1982167 is about 1407.8945272995. The cubic root of 1982167 is about 125.6165169226.

The spelling of 1982167 in words is "one million, nine hundred eighty-two thousand, one hundred sixty-seven".