9113438 has 4 divisors (see below), whose sum is σ = 13670160. Its totient is φ = 4556718.

The previous prime is 9113431. The next prime is 9113501. The reversal of 9113438 is 8343119.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9113438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9113431) 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 as a sum of consecutive naturals, namely, 2278358 + ... + 2278361.

It is an arithmetic number, because the mean of its divisors is an integer number (3417540).

Almost surely, 2^9113438 is an apocalyptic number.

9113438 is a deficient number, since it is larger than the sum of its proper divisors (4556722).

9113438 is a wasteful number, since it uses less digits than its factorization.

9113438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556721.

The product of its digits is 2592, while the sum is 29.

The square root of 9113438 is about 3018.8471309425. The cubic root of 9113438 is about 208.8786640327.

The spelling of 9113438 in words is "nine million, one hundred thirteen thousand, four hundred thirty-eight".