8673149 has 4 divisors (see below), whose sum is σ = 8952960. Its totient is φ = 8393340.

The previous prime is 8673131. The next prime is 8673157. The reversal of 8673149 is 9413768.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8673149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8673109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 139859 + ... + 139920.

It is an arithmetic number, because the mean of its divisors is an integer number (2238240).

Almost surely, 2^8673149 is an apocalyptic number.

It is an amenable number.

8673149 is a deficient number, since it is larger than the sum of its proper divisors (279811).

8673149 is a wasteful number, since it uses less digits than its factorization.

8673149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279810.

The product of its digits is 36288, while the sum is 38.

The square root of 8673149 is about 2945.0210525563. The cubic root of 8673149 is about 205.4592045911.

The spelling of 8673149 in words is "eight million, six hundred seventy-three thousand, one hundred forty-nine".