214386687 has 6 divisors (see below), whose sum is σ = 309669672. Its totient is φ = 142924452.

The previous prime is 214386673. The next prime is 214386737. The reversal of 214386687 is 786683412.

It is not a de Polignac number, because 214386687 - 2¹⁰ = 214385663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214385687) 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 5 ways as a sum of consecutive naturals, for example, 11910363 + ... + 11910380.

It is an arithmetic number, because the mean of its divisors is an integer number (51611612).

Almost surely, 2^214386687 is an apocalyptic number.

214386687 is a deficient number, since it is larger than the sum of its proper divisors (95282985).

214386687 is a wasteful number, since it uses less digits than its factorization.

214386687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23820749 (or 23820746 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 214386687 is about 14641.9495628144. The cubic root of 214386687 is about 598.5024570515.

The spelling of 214386687 in words is "two hundred fourteen million, three hundred eighty-six thousand, six hundred eighty-seven".