2144893 has 2 divisors, whose sum is σ = 2144894. Its totient is φ = 2144892.

The previous prime is 2144867. The next prime is 2144897. The reversal of 2144893 is 3984412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170724 + 974169 = 1082^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144893 - 2¹⁷ = 2013821 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 4⁸ + 4⁹ + 8⁵ + 9⁵ + 3¹³ .

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072446 + 1072447.

It is an arithmetic number, because the mean of its divisors is an integer number (1072447).

2^2144893 is an apocalyptic number.

It is an amenable number.

2144893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144893 is an equidigital number, since it uses as much as digits as its factorization.

2144893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 2144893 is about 1464.5453219344. The cubic root of 2144893 is about 128.9640145604.

The spelling of 2144893 in words is "two million, one hundred forty-four thousand, eight hundred ninety-three".