2196149 has 2 divisors, whose sum is σ = 2196150. Its totient is φ = 2196148.

The previous prime is 2196143. The next prime is 2196167. The reversal of 2196149 is 9416912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 286225 = 1382^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2196149 - 2¹² = 2192053 is a prime.

It is a Chen prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2196143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098074 + 1098075.

It is an arithmetic number, because the mean of its divisors is an integer number (1098075).

2^2196149 is an apocalyptic number.

It is an amenable number.

2196149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196149 is an equidigital number, since it uses as much as digits as its factorization.

2196149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 2196149 is about 1481.9409569885. The cubic root of 2196149 is about 129.9832128225.

The spelling of 2196149 in words is "two million, one hundred ninety-six thousand, one hundred forty-nine".