214889266 has 8 divisors (see below), whose sum is σ = 331045740. Its totient is φ = 104540688.

The previous prime is 214889263. The next prime is 214889281. The reversal of 214889266 is 662988412.

It can be written as a sum of positive squares in 2 ways, for example, as 193071025 + 21818241 = 13895^2 + 4671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (214889263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451881 + ... + 1452028.

Almost surely, 2^214889266 is an apocalyptic number.

214889266 is a deficient number, since it is larger than the sum of its proper divisors (116156474).

214889266 is a wasteful number, since it uses less digits than its factorization.

214889266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903948.

The product of its digits is 331776, while the sum is 46.

The square root of 214889266 is about 14659.1018142313. The cubic root of 214889266 is about 598.9697746646.

The spelling of 214889266 in words is "two hundred fourteen million, eight hundred eighty-nine thousand, two hundred sixty-six".