9438137 has 4 divisors (see below), whose sum is σ = 9763620. Its totient is φ = 9112656.

The previous prime is 9438127. The next prime is 9438151. The reversal of 9438137 is 7318349.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5812921 + 3625216 = 2411^2 + 1904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9438137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9438097 and 9438106.

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 3 ways as a sum of consecutive naturals, for example, 162698 + ... + 162755.

It is an arithmetic number, because the mean of its divisors is an integer number (2440905).

Almost surely, 2^9438137 is an apocalyptic number.

It is an amenable number.

9438137 is a deficient number, since it is larger than the sum of its proper divisors (325483).

9438137 is a wasteful number, since it uses less digits than its factorization.

9438137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325482.

The product of its digits is 18144, while the sum is 35.

The square root of 9438137 is about 3072.1551067614. The cubic root of 9438137 is about 211.3304570811.

The spelling of 9438137 in words is "nine million, four hundred thirty-eight thousand, one hundred thirty-seven".