214389641 has 2 divisors, whose sum is σ = 214389642. Its totient is φ = 214389640.

The previous prime is 214389629. The next prime is 214389661. The reversal of 214389641 is 146983412.

214389641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176996416 + 37393225 = 13304^2 + 6115^2 .

It is a cyclic number.

It is not a de Polignac number, because 214389641 - 2¹⁰ = 214388617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214389595 and 214389604.

It is not a weakly prime, because it can be changed into another prime (214389661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107194820 + 107194821.

It is an arithmetic number, because the mean of its divisors is an integer number (107194821).

Almost surely, 2^214389641 is an apocalyptic number.

It is an amenable number.

214389641 is a deficient number, since it is larger than the sum of its proper divisors (1).

214389641 is an equidigital number, since it uses as much as digits as its factorization.

214389641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 214389641 is about 14642.0504370119. The cubic root of 214389641 is about 598.5052059289.

The spelling of 214389641 in words is "two hundred fourteen million, three hundred eighty-nine thousand, six hundred forty-one".