9137938 has 4 divisors (see below), whose sum is σ = 13706910. Its totient is φ = 4568968.

The previous prime is 9137911. The next prime is 9137941. The reversal of 9137938 is 8397319.

9137938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8397319 = 7 ⋅1199617.

It can be written as a sum of positive squares in only one way, i.e., 8838729 + 299209 = 2973^2 + 547^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9137938.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284483 + ... + 2284486.

Almost surely, 2^9137938 is an apocalyptic number.

9137938 is a deficient number, since it is larger than the sum of its proper divisors (4568972).

9137938 is a wasteful number, since it uses less digits than its factorization.

9137938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568971.

The product of its digits is 40824, while the sum is 40.

The square root of 9137938 is about 3022.9022478406. The cubic root of 9137938 is about 209.0656753532.

The spelling of 9137938 in words is "nine million, one hundred thirty-seven thousand, nine hundred thirty-eight".