214706647 has 2 divisors, whose sum is σ = 214706648. Its totient is φ = 214706646.

The previous prime is 214706623. The next prime is 214706663. The reversal of 214706647 is 746607412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214706647 - 2¹⁹ = 214182359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214706047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107353323 + 107353324.

It is an arithmetic number, because the mean of its divisors is an integer number (107353324).

Almost surely, 2^214706647 is an apocalyptic number.

214706647 is a deficient number, since it is larger than the sum of its proper divisors (1).

214706647 is an equidigital number, since it uses as much as digits as its factorization.

214706647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 214706647 is about 14652.8716298206. The cubic root of 214706647 is about 598.8000527367.

The spelling of 214706647 in words is "two hundred fourteen million, seven hundred six thousand, six hundred forty-seven".