8866261 has 4 divisors (see below), whose sum is σ = 8922892. Its totient is φ = 8809632.

The previous prime is 8866259. The next prime is 8866283. The reversal of 8866261 is 1626688.

8866261 = 2105² + 2106².

8866261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4435236 + 4431025 = 2106^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 8866261 - 2¹ = 8866259 is a prime.

It is a super-2 number, since 2×8866261² = 157221168240242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8866261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8866861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28080 + ... + 28393.

It is an arithmetic number, because the mean of its divisors is an integer number (2230723).

Almost surely, 2^8866261 is an apocalyptic number.

8866261 is the 2106-th centered square number.

It is an amenable number.

8866261 is a deficient number, since it is larger than the sum of its proper divisors (56631).

8866261 is a wasteful number, since it uses less digits than its factorization.

8866261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56630.

The product of its digits is 27648, while the sum is 37.

The square root of 8866261 is about 2977.6267395360. The cubic root of 8866261 is about 206.9729090858.

The spelling of 8866261 in words is "eight million, eight hundred sixty-six thousand, two hundred sixty-one".