214389439 has 8 divisors (see below), whose sum is σ = 234557568. Its totient is φ = 194334360.

The previous prime is 214389403. The next prime is 214389449. The reversal of 214389439 is 934983412.

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

It is not a de Polignac number, because 214389439 - 2¹³ = 214381247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214389395 and 214389404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214389449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24267 + ... + 31900.

It is an arithmetic number, because the mean of its divisors is an integer number (29319696).

Almost surely, 2^214389439 is an apocalyptic number.

214389439 is a deficient number, since it is larger than the sum of its proper divisors (20168129).

214389439 is a wasteful number, since it uses less digits than its factorization.

214389439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56525.

The product of its digits is 186624, while the sum is 43.

The square root of 214389439 is about 14642.0435390693. The cubic root of 214389439 is about 598.5050179564.

The spelling of 214389439 in words is "two hundred fourteen million, three hundred eighty-nine thousand, four hundred thirty-nine".