9318149 has 4 divisors (see below), whose sum is σ = 9335040. Its totient is φ = 9301260.

The previous prime is 9318139. The next prime is 9318157. The reversal of 9318149 is 9418139.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9418139 = 337 ⋅27947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9318149 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9318109) 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 3 ways as a sum of consecutive naturals, for example, 7589 + ... + 8730.

It is an arithmetic number, because the mean of its divisors is an integer number (2333760).

Almost surely, 2^9318149 is an apocalyptic number.

It is an amenable number.

9318149 is a deficient number, since it is larger than the sum of its proper divisors (16891).

9318149 is a wasteful number, since it uses less digits than its factorization.

9318149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16890.

The product of its digits is 7776, while the sum is 35.

The square root of 9318149 is about 3052.5643318364. The cubic root of 9318149 is about 210.4310797216.

The spelling of 9318149 in words is "nine million, three hundred eighteen thousand, one hundred forty-nine".