2146393 has 2 divisors, whose sum is σ = 2146394. Its totient is φ = 2146392.

The previous prime is 2146387. The next prime is 2146423. The reversal of 2146393 is 3936412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 898704 = 1117^2 + 948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146303) 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, 1073196 + 1073197.

It is an arithmetic number, because the mean of its divisors is an integer number (1073197).

2^2146393 is an apocalyptic number.

It is an amenable number.

2146393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146393 is an equidigital number, since it uses as much as digits as its factorization.

2146393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 2146393 is about 1465.0573367619. The cubic root of 2146393 is about 128.9940705966.

The spelling of 2146393 in words is "two million, one hundred forty-six thousand, three hundred ninety-three".