9128506 has 16 divisors (see below), whose sum is σ = 13999104. Its totient is φ = 4463424.

The previous prime is 9128503. The next prime is 9128521. The reversal of 9128506 is 6058219.

It is not an unprimeable number, because it can be changed into a prime (9128501) by changing a digit.

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, 20866 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^9128506 is an apocalyptic number.

9128506 is a deficient number, since it is larger than the sum of its proper divisors (4870598).

9128506 is a wasteful number, since it uses less digits than its factorization.

9128506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 9128506 is about 3021.3417549162. The cubic root of 9128506 is about 208.9937194300.

The spelling of 9128506 in words is "nine million, one hundred twenty-eight thousand, five hundred six".