2167967 has 4 divisors (see below), whose sum is σ = 2170920. Its totient is φ = 2165016.

The previous prime is 2167961. The next prime is 2167973. The reversal of 2167967 is 7697612.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2167961) and next prime (2167973).

It is a cyclic number.

It is not a de Polignac number, because 2167967 - 2⁶ = 2167903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2167967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167961) 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, 584 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (542730).

2^2167967 is an apocalyptic number.

2167967 is a deficient number, since it is larger than the sum of its proper divisors (2953).

2167967 is a wasteful number, since it uses less digits than its factorization.

2167967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its digits is 31752, while the sum is 38.

The square root of 2167967 is about 1472.4017794067. The cubic root of 2167967 is about 129.4248158568.

The spelling of 2167967 in words is "two million, one hundred sixty-seven thousand, nine hundred sixty-seven".