2196449 has 2 divisors, whose sum is σ = 2196450. Its totient is φ = 2196448.

The previous prime is 2196433. The next prime is 2196473. The reversal of 2196449 is 9446912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456849 + 739600 = 1207^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2196449 - 2⁴ = 2196433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2196499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098224 + 1098225.

It is an arithmetic number, because the mean of its divisors is an integer number (1098225).

2^2196449 is an apocalyptic number.

It is an amenable number.

2196449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196449 is an equidigital number, since it uses as much as digits as its factorization.

2196449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 2196449 is about 1482.0421721395. The cubic root of 2196449 is about 129.9891312412.

The spelling of 2196449 in words is "two million, one hundred ninety-six thousand, four hundred forty-nine".