8168949 has 12 divisors (see below), whose sum is σ = 11879712. Its totient is φ = 5409000.

The previous prime is 8168947. The next prime is 8168983. The reversal of 8168949 is 9498618.

It is not a de Polignac number, because 8168949 - 2¹ = 8168947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (989976).

Almost surely, 2^8168949 is an apocalyptic number.

It is an amenable number.

8168949 is a deficient number, since it is larger than the sum of its proper divisors (3710763).

8168949 is a wasteful number, since it uses less digits than its factorization.

8168949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168 (or 6165 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 8168949 is about 2858.1373305004. The cubic root of 8168949 is about 201.3981119736.

The spelling of 8168949 in words is "eight million, one hundred sixty-eight thousand, nine hundred forty-nine".