8727849 has 12 divisors (see below), whose sum is σ = 13576836. Its totient is φ = 5370912.

The previous prime is 8727809. The next prime is 8727857. The reversal of 8727849 is 9487278.

It can be written as a sum of positive squares in 2 ways, for example, as 4995225 + 3732624 = 2235^2 + 1932^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8727849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8727809) 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, 37182 + ... + 37415.

It is an arithmetic number, because the mean of its divisors is an integer number (1131403).

Almost surely, 2^8727849 is an apocalyptic number.

It is an amenable number.

8727849 is a deficient number, since it is larger than the sum of its proper divisors (4848987).

8727849 is a wasteful number, since it uses less digits than its factorization.

8727849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74616 (or 74613 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 8727849 is about 2954.2933165141. The cubic root of 8727849 is about 205.8902312103.

The spelling of 8727849 in words is "eight million, seven hundred twenty-seven thousand, eight hundred forty-nine".