8530949 has 6 divisors (see below), whose sum is σ = 9923814. Its totient is φ = 7312200.

The previous prime is 8530939. The next prime is 8531009. The reversal of 8530949 is 9490358.

It can be written as a sum of positive squares in only one way, i.e., 6853924 + 1677025 = 2618^2 + 1295^2 .

It is not a de Polignac number, because 8530949 - 2⁸ = 8530693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87002 + ... + 87099.

It is an arithmetic number, because the mean of its divisors is an integer number (1653969).

Almost surely, 2^8530949 is an apocalyptic number.

It is an amenable number.

8530949 is a deficient number, since it is larger than the sum of its proper divisors (1392865).

8530949 is a wasteful number, since it uses less digits than its factorization.

8530949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174115 (or 174108 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 8530949 is about 2920.7788344892. The cubic root of 8530949 is about 204.3301475203.

It can be divided in two parts, 85309 and 49, that added together give a palindrome (85358).

The spelling of 8530949 in words is "eight million, five hundred thirty thousand, nine hundred forty-nine".