2167393 has 2 divisors, whose sum is σ = 2167394. Its totient is φ = 2167392.

The previous prime is 2167369. The next prime is 2167409. The reversal of 2167393 is 3937612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 1016064 = 1073^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 2167393 - 2²¹ = 70241 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 6⁸ + 7⁴ + 3¹¹ + 9 + 3¹¹ .

2167393 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2167093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083696 + 1083697.

It is an arithmetic number, because the mean of its divisors is an integer number (1083697).

2^2167393 is an apocalyptic number.

It is an amenable number.

2167393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167393 is an equidigital number, since it uses as much as digits as its factorization.

2167393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 2167393 is about 1472.2068468799. The cubic root of 2167393 is about 129.4133924969.

The spelling of 2167393 in words is "two million, one hundred sixty-seven thousand, three hundred ninety-three".