9138298 has 16 divisors (see below), whose sum is σ = 14880096. Its totient is φ = 4183920.

The previous prime is 9138293. The next prime is 9138323. The reversal of 9138298 is 8928319.

9138298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9138298.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065 + ... + 4747.

It is an arithmetic number, because the mean of its divisors is an integer number (930006).

Almost surely, 2^9138298 is an apocalyptic number.

9138298 is a deficient number, since it is larger than the sum of its proper divisors (5741798).

9138298 is a wasteful number, since it uses less digits than its factorization.

9138298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829.

The product of its digits is 31104, while the sum is 40.

The square root of 9138298 is about 3022.9617926795. The cubic root of 9138298 is about 209.0684207813.

The spelling of 9138298 in words is "nine million, one hundred thirty-eight thousand, two hundred ninety-eight".