214888247 has 16 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 181773600.

The previous prime is 214888217. The next prime is 214888273. The reversal of 214888247 is 742888412.

It is a cyclic number.

It is not a de Polignac number, because 214888247 - 2¹⁰ = 214887223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214888198 and 214888207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214888217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186122 + ... + 187272.

It is an arithmetic number, because the mean of its divisors is an integer number (15552000).

Almost surely, 2^214888247 is an apocalyptic number.

214888247 is a deficient number, since it is larger than the sum of its proper divisors (33943753).

214888247 is a wasteful number, since it uses less digits than its factorization.

214888247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its digits is 229376, while the sum is 44.

The square root of 214888247 is about 14659.0670576268. The cubic root of 214888247 is about 598.9688278961.

The spelling of 214888247 in words is "two hundred fourteen million, eight hundred eighty-eight thousand, two hundred forty-seven".