8247872 has 14 divisors (see below), whose sum is σ = 16366998. Its totient is φ = 4123904.

The previous prime is 8247859. The next prime is 8247887. The reversal of 8247872 is 2787428.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 541696 = 2776^2 + 736^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64373 + ... + 64500.

Almost surely, 2^8247872 is an apocalyptic number.

It is an amenable number.

8247872 is a deficient number, since it is larger than the sum of its proper divisors (8119126).

8247872 is a wasteful number, since it uses less digits than its factorization.

8247872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128885 (or 128875 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 8247872 is about 2871.9108621265. The cubic root of 8247872 is about 202.0446262871.

It can be divided in two parts, 8247 and 872, that added together give a palindrome (9119).

The spelling of 8247872 in words is "eight million, two hundred forty-seven thousand, eight hundred seventy-two".