2169967 has 2 divisors, whose sum is σ = 2169968. Its totient is φ = 2169966.

The previous prime is 2169941. The next prime is 2169991. The reversal of 2169967 is 7699612.

2169967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2169967 - 2¹⁵ = 2137199 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2169997) 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 as a sum of consecutive naturals, namely, 1084983 + 1084984.

It is an arithmetic number, because the mean of its divisors is an integer number (1084984).

2^2169967 is an apocalyptic number.

2169967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169967 is an equidigital number, since it uses as much as digits as its factorization.

2169967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 2169967 is about 1473.0807852932. The cubic root of 2169967 is about 129.4646027592.

It can be divided in two parts, 2169 and 967, that added together give a square (3136 = 56²).

The spelling of 2169967 in words is "two million, one hundred sixty-nine thousand, nine hundred sixty-seven".