8449518 has 32 divisors (see below), whose sum is σ = 21070080. Its totient is φ = 2194560.

The previous prime is 8449517. The next prime is 8449523. The reversal of 8449518 is 8159448.

Added to its reverse (8159448) it gives a triangular number (16608966 = T₅₇₆₃).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449513) 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 15 ways as a sum of consecutive naturals, for example, 8683 + ... + 9606.

It is an arithmetic number, because the mean of its divisors is an integer number (658440).

Almost surely, 2^8449518 is an apocalyptic number.

8449518 is an abundant number, since it is smaller than the sum of its proper divisors (12620562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8449518 is a wasteful number, since it uses less digits than its factorization.

8449518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18312.

The product of its digits is 46080, while the sum is 39.

The square root of 8449518 is about 2906.8054630470. The cubic root of 8449518 is about 203.6779327847.

Adding to 8449518 its reverse (8159448), we get a triangular number (16608966 = T₅₇₆₃).

The spelling of 8449518 in words is "eight million, four hundred forty-nine thousand, five hundred eighteen".