9743138 has 4 divisors (see below), whose sum is σ = 14614710. Its totient is φ = 4871568.

The previous prime is 9743131. The next prime is 9743141. The reversal of 9743138 is 8313479.

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

It can be written as a sum of positive squares in only one way, i.e., 6235009 + 3508129 = 2497^2 + 1873^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9743098 and 9743107.

It is not an unprimeable number, because it can be changed into a prime (9743131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435783 + ... + 2435786.

Almost surely, 2^9743138 is an apocalyptic number.

9743138 is a deficient number, since it is larger than the sum of its proper divisors (4871572).

9743138 is a wasteful number, since it uses less digits than its factorization.

9743138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871571.

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

The square root of 9743138 is about 3121.4000064074. The cubic root of 9743138 is about 213.5828044016.

The spelling of 9743138 in words is "nine million, seven hundred forty-three thousand, one hundred thirty-eight".