9138893 has 4 divisors (see below), whose sum is σ = 9433728. Its totient is φ = 8844060.

The previous prime is 9138863. The next prime is 9138917. The reversal of 9138893 is 3988319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9138893 - 2⁸ = 9138637 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9138893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147371 + ... + 147432.

It is an arithmetic number, because the mean of its divisors is an integer number (2358432).

Almost surely, 2^9138893 is an apocalyptic number.

It is an amenable number.

9138893 is a deficient number, since it is larger than the sum of its proper divisors (294835).

9138893 is a wasteful number, since it uses less digits than its factorization.

9138893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294834.

The product of its digits is 46656, while the sum is 41.

The square root of 9138893 is about 3023.0602044948. The cubic root of 9138893 is about 209.0729582057.

The spelling of 9138893 in words is "nine million, one hundred thirty-eight thousand, eight hundred ninety-three".