8318149 has 4 divisors (see below), whose sum is σ = 9506464. Its totient is φ = 7129836.

The previous prime is 8318129. The next prime is 8318161. The reversal of 8318149 is 9418138.

It is a happy number.

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: 9418138 = 2 ⋅4709069.

It is a de Polignac number, because none of the positive numbers 2^k-8318149 is a prime.

It is a Duffinian number.

8318149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594147 + ... + 594160.

It is an arithmetic number, because the mean of its divisors is an integer number (2376616).

Almost surely, 2^8318149 is an apocalyptic number.

It is an amenable number.

8318149 is a deficient number, since it is larger than the sum of its proper divisors (1188315).

8318149 is a wasteful number, since it uses less digits than its factorization.

8318149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188314.

The product of its digits is 6912, while the sum is 34.

The square root of 8318149 is about 2884.1201431286. The cubic root of 8318149 is about 202.6168527420.

The spelling of 8318149 in words is "eight million, three hundred eighteen thousand, one hundred forty-nine".