214820867 has 2 divisors, whose sum is σ = 214820868. Its totient is φ = 214820866.

The previous prime is 214820863. The next prime is 214820909. The reversal of 214820867 is 768028412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214820867 - 2² = 214820863 is a prime.

It is a super-2 number, since 2×214820867² = 92296009797263378, which contains 22 as substring.

It is a Chen prime.

It is equal to p_11852858 and since 214820867 and 11852858 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214820867.

It is not a weakly prime, because it can be changed into another prime (214820863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107410433 + 107410434.

It is an arithmetic number, because the mean of its divisors is an integer number (107410434).

Almost surely, 2^214820867 is an apocalyptic number.

214820867 is a deficient number, since it is larger than the sum of its proper divisors (1).

214820867 is an equidigital number, since it uses as much as digits as its factorization.

214820867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 214820867 is about 14656.7686411432. The cubic root of 214820867 is about 598.9062174631.

The spelling of 214820867 in words is "two hundred fourteen million, eight hundred twenty thousand, eight hundred sixty-seven".