9138650 has 12 divisors (see below), whose sum is σ = 16997982. Its totient is φ = 3655440.

The previous prime is 9138637. The next prime is 9138697. The reversal of 9138650 is 568319.

9138650 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 3 ways, for example, as 8404201 + 734449 = 2899^2 + 857^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 91337 + ... + 91436.

Almost surely, 2^9138650 is an apocalyptic number.

9138650 is a deficient number, since it is larger than the sum of its proper divisors (7859332).

9138650 is a wasteful number, since it uses less digits than its factorization.

9138650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182785 (or 182780 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9138650 is about 3023.0200131656. The cubic root of 9138650 is about 209.0711051301.

The spelling of 9138650 in words is "nine million, one hundred thirty-eight thousand, six hundred fifty".