2146897 has 2 divisors, whose sum is σ = 2146898. Its totient is φ = 2146896.

The previous prime is 2146853. The next prime is 2146909. The reversal of 2146897 is 7986412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 76176 = 1439^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146897 - 2¹⁹ = 1622609 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 4⁵ + 6⁶ + 8⁷ + 9 + 7 .

It is not a weakly prime, because it can be changed into another prime (2146817) 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, 1073448 + 1073449.

It is an arithmetic number, because the mean of its divisors is an integer number (1073449).

2^2146897 is an apocalyptic number.

It is an amenable number.

2146897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146897 is an equidigital number, since it uses as much as digits as its factorization.

2146897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 2146897 is about 1465.2293335857. The cubic root of 2146897 is about 129.0041662817.

The spelling of 2146897 in words is "two million, one hundred forty-six thousand, eight hundred ninety-seven".