8726849 has 2 divisors, whose sum is σ = 8726850. Its totient is φ = 8726848.

The previous prime is 8726803. The next prime is 8726863. The reversal of 8726849 is 9486278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 53824 = 2945^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 8726849 - 2²⁰ = 7678273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8726449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4363424 + 4363425.

It is an arithmetic number, because the mean of its divisors is an integer number (4363425).

Almost surely, 2^8726849 is an apocalyptic number.

It is an amenable number.

8726849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8726849 is an equidigital number, since it uses as much as digits as its factorization.

8726849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 8726849 is about 2954.1240664535. The cubic root of 8726849 is about 205.8823675662.

The spelling of 8726849 in words is "eight million, seven hundred twenty-six thousand, eight hundred forty-nine".