9135838 has 4 divisors (see below), whose sum is σ = 13703760. Its totient is φ = 4567918.

The previous prime is 9135829. The next prime is 9135839. The reversal of 9135838 is 8385319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8385319 = 1117 ⋅7507.

It is a junction number, because it is equal to n+sod(n) for n = 9135797 and 9135806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9135839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2283958 + ... + 2283961.

It is an arithmetic number, because the mean of its divisors is an integer number (3425940).

Almost surely, 2^9135838 is an apocalyptic number.

9135838 is a deficient number, since it is larger than the sum of its proper divisors (4567922).

9135838 is a wasteful number, since it uses less digits than its factorization.

9135838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567921.

The product of its digits is 25920, while the sum is 37.

The square root of 9135838 is about 3022.5548795679. The cubic root of 9135838 is about 209.0496589188.

The spelling of 9135838 in words is "nine million, one hundred thirty-five thousand, eight hundred thirty-eight".