214307449 has 2 divisors, whose sum is σ = 214307450. Its totient is φ = 214307448.

The previous prime is 214307413. The next prime is 214307497. The reversal of 214307449 is 944703412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206439424 + 7868025 = 14368^2 + 2805^2 .

It is a cyclic number.

It is not a de Polignac number, because 214307449 - 2¹⁷ = 214176377 is a prime.

It is not a weakly prime, because it can be changed into another prime (214317449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107153724 + 107153725.

It is an arithmetic number, because the mean of its divisors is an integer number (107153725).

Almost surely, 2^214307449 is an apocalyptic number.

It is an amenable number.

214307449 is a deficient number, since it is larger than the sum of its proper divisors (1).

214307449 is an equidigital number, since it uses as much as digits as its factorization.

214307449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 214307449 is about 14639.2434572282. The cubic root of 214307449 is about 598.4287118294.

The spelling of 214307449 in words is "two hundred fourteen million, three hundred seven thousand, four hundred forty-nine".