8366261 has 6 divisors (see below), whose sum is σ = 8887650. Its totient is φ = 7873856.

The previous prime is 8366257. The next prime is 8366263. The reversal of 8366261 is 1626638.

It can be written as a sum of positive squares in 3 ways, for example, as 6220036 + 2146225 = 2494^2 + 1465^2 .

It is not a de Polignac number, because 8366261 - 2² = 8366257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8366263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14186 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (1481275).

Almost surely, 2^8366261 is an apocalyptic number.

It is an amenable number.

8366261 is a deficient number, since it is larger than the sum of its proper divisors (521389).

8366261 is a wasteful number, since it uses less digits than its factorization.

8366261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28983 (or 28966 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 8366261 is about 2892.4489623846. The cubic root of 8366261 is about 203.0067458750.

The spelling of 8366261 in words is "eight million, three hundred sixty-six thousand, two hundred sixty-one".