214687349 has 2 divisors, whose sum is σ = 214687350. Its totient is φ = 214687348.

The previous prime is 214687337. The next prime is 214687367. The reversal of 214687349 is 943786412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137124100 + 77563249 = 11710^2 + 8807^2 .

It is a cyclic number.

It is not a de Polignac number, because 214687349 - 2²⁴ = 197910133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214687309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107343674 + 107343675.

It is an arithmetic number, because the mean of its divisors is an integer number (107343675).

Almost surely, 2^214687349 is an apocalyptic number.

It is an amenable number.

214687349 is a deficient number, since it is larger than the sum of its proper divisors (1).

214687349 is an equidigital number, since it uses as much as digits as its factorization.

214687349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 214687349 is about 14652.2131092883. The cubic root of 214687349 is about 598.7821119947.

The spelling of 214687349 in words is "two hundred fourteen million, six hundred eighty-seven thousand, three hundred forty-nine".