214287939 has 6 divisors (see below), whose sum is σ = 309527036. Its totient is φ = 142858620.

The previous prime is 214287893. The next prime is 214287949. The reversal of 214287939 is 939782412.

It is not a de Polignac number, because 214287939 - 2¹¹ = 214285891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214287894 and 214287903.

It is not an unprimeable number, because it can be changed into a prime (214287949) 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 5 ways as a sum of consecutive naturals, for example, 11904877 + ... + 11904894.

Almost surely, 2^214287939 is an apocalyptic number.

214287939 is a deficient number, since it is larger than the sum of its proper divisors (95239097).

214287939 is a wasteful number, since it uses less digits than its factorization.

214287939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23809777 (or 23809774 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 214287939 is about 14638.5770824900. The cubic root of 214287939 is about 598.4105514737.

The spelling of 214287939 in words is "two hundred fourteen million, two hundred eighty-seven thousand, nine hundred thirty-nine".