214680618 has 40 divisors (see below), whose sum is σ = 481882500. Its totient is φ = 71435520.

The previous prime is 214680589. The next prime is 214680619. The reversal of 214680618 is 816086412.

It can be written as a sum of positive squares in 2 ways, for example, as 214417449 + 263169 = 14643^2 + 513^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214680619) 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 in 19 ways as a sum of consecutive naturals, for example, 171258 + ... + 172506.

Almost surely, 2^214680618 is an apocalyptic number.

214680618 is an abundant number, since it is smaller than the sum of its proper divisors (267201882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214680618 is a wasteful number, since it uses less digits than its factorization.

214680618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 214680618 is about 14651.9834152240. The cubic root of 214680618 is about 598.7758541434.

The spelling of 214680618 in words is "two hundred fourteen million, six hundred eighty thousand, six hundred eighteen".