9438129 has 6 divisors (see below), whose sum is σ = 13632866. Its totient is φ = 6292080.

The previous prime is 9438127. The next prime is 9438151. The reversal of 9438129 is 9218349.

9438129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9363600 + 74529 = 3060^2 + 273^2 .

It is not a de Polignac number, because 9438129 - 2¹ = 9438127 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9438093 and 9438102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9438127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524332 + ... + 524349.

Almost surely, 2^9438129 is an apocalyptic number.

It is an amenable number.

9438129 is a deficient number, since it is larger than the sum of its proper divisors (4194737).

9438129 is a wasteful number, since it uses less digits than its factorization.

9438129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048687 (or 1048684 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9438129 is about 3072.1538047435. The cubic root of 9438129 is about 211.3303973714.

The spelling of 9438129 in words is "nine million, four hundred thirty-eight thousand, one hundred twenty-nine".