8249872 has 20 divisors (see below), whose sum is σ = 16031340. Its totient is φ = 4112768.

The previous prime is 8249837. The next prime is 8249881. The reversal of 8249872 is 2789428.

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 5740816 = 1584^2 + 2396^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7638 + ... + 8650.

It is an arithmetic number, because the mean of its divisors is an integer number (801567).

Almost surely, 2^8249872 is an apocalyptic number.

It is an amenable number.

8249872 is a deficient number, since it is larger than the sum of its proper divisors (7781468).

8249872 is a wasteful number, since it uses less digits than its factorization.

8249872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1524 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 8249872 is about 2872.2590412426. The cubic root of 8249872 is about 202.0609560182.

The spelling of 8249872 in words is "eight million, two hundred forty-nine thousand, eight hundred seventy-two".