9914239 has 2 divisors, whose sum is σ = 9914240. Its totient is φ = 9914238.

The previous prime is 9914221. The next prime is 9914287. The reversal of 9914239 is 9324199.

It is a weak prime.

It is an emirp because it is prime and its reverse (9324199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9914239 - 2⁹ = 9913727 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9914198 and 9914207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9914539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4957119 + 4957120.

It is an arithmetic number, because the mean of its divisors is an integer number (4957120).

Almost surely, 2^9914239 is an apocalyptic number.

9914239 is a deficient number, since it is larger than the sum of its proper divisors (1).

9914239 is an equidigital number, since it uses as much as digits as its factorization.

9914239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 9914239 is about 3148.6884571199. The cubic root of 9914239 is about 214.8258116818.

It can be divided in two parts, 9914 and 239, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 9914239 in words is "nine million, nine hundred fourteen thousand, two hundred thirty-nine".