214309847 has 2 divisors, whose sum is σ = 214309848. Its totient is φ = 214309846.

The previous prime is 214309819. The next prime is 214309853. The reversal of 214309847 is 748903412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214309847 - 2²⁰ = 213261271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214309847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214309877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107154923 + 107154924.

It is an arithmetic number, because the mean of its divisors is an integer number (107154924).

Almost surely, 2^214309847 is an apocalyptic number.

214309847 is a deficient number, since it is larger than the sum of its proper divisors (1).

214309847 is an equidigital number, since it uses as much as digits as its factorization.

214309847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 214309847 is about 14639.3253601387. The cubic root of 214309847 is about 598.4309438667.

The spelling of 214309847 in words is "two hundred fourteen million, three hundred nine thousand, eight hundred forty-seven".