214361893 has 2 divisors, whose sum is σ = 214361894. Its totient is φ = 214361892.

The previous prime is 214361887. The next prime is 214361963. The reversal of 214361893 is 398163412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158306724 + 56055169 = 12582^2 + 7487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214361893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214361293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107180946 + 107180947.

It is an arithmetic number, because the mean of its divisors is an integer number (107180947).

Almost surely, 2^214361893 is an apocalyptic number.

It is an amenable number.

214361893 is a deficient number, since it is larger than the sum of its proper divisors (1).

214361893 is an equidigital number, since it uses as much as digits as its factorization.

214361893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 214361893 is about 14641.1028614650. The cubic root of 214361893 is about 598.4793837251.

The spelling of 214361893 in words is "two hundred fourteen million, three hundred sixty-one thousand, eight hundred ninety-three".