9138268 has 24 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 4305840.

The previous prime is 9138251. The next prime is 9138271. The reversal of 9138268 is 8628319.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5833 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^9138268 is an apocalyptic number.

It is an amenable number.

9138268 is a deficient number, since it is larger than the sum of its proper divisors (7796132).

9138268 is a wasteful number, since it uses less digits than its factorization.

9138268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1495 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 9138268 is about 3022.9568306544. The cubic root of 9138268 is about 209.0681919983.

The spelling of 9138268 in words is "nine million, one hundred thirty-eight thousand, two hundred sixty-eight".