9138696 has 96 divisors (see below), whose sum is σ = 28044000. Its totient is φ = 2467584.

The previous prime is 9138637. The next prime is 9138697. The reversal of 9138696 is 6968319.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (9138697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22140 + ... + 22548.

It is an arithmetic number, because the mean of its divisors is an integer number (292125).

Almost surely, 2^9138696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9138696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14022000).

9138696 is an abundant number, since it is smaller than the sum of its proper divisors (18905304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9138696 is a wasteful number, since it uses less digits than its factorization.

9138696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 440 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 9138696 is about 3023.0276214418. The cubic root of 9138696 is about 209.0714559206.

The spelling of 9138696 in words is "nine million, one hundred thirty-eight thousand, six hundred ninety-six".