214396439 has 2 divisors, whose sum is σ = 214396440. Its totient is φ = 214396438.

The previous prime is 214396433. The next prime is 214396477. The reversal of 214396439 is 934693412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214396439 - 2⁴ = 214396423 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 214396396 and 214396405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214396433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107198219 + 107198220.

It is an arithmetic number, because the mean of its divisors is an integer number (107198220).

Almost surely, 2^214396439 is an apocalyptic number.

214396439 is a deficient number, since it is larger than the sum of its proper divisors (1).

214396439 is an equidigital number, since it uses as much as digits as its factorization.

214396439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 214396439 is about 14642.2825747900. The cubic root of 214396439 is about 598.5115317871.

The spelling of 214396439 in words is "two hundred fourteen million, three hundred ninety-six thousand, four hundred thirty-nine".