8261266 has 8 divisors (see below), whose sum is σ = 13345164. Its totient is φ = 3812880.

The previous prime is 8261263. The next prime is 8261293. The reversal of 8261266 is 6621628.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 1651225 = 2571^2 + 1285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8261261) 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, 158845 + ... + 158896.

Almost surely, 2^8261266 is an apocalyptic number.

8261266 is a deficient number, since it is larger than the sum of its proper divisors (5083898).

8261266 is a wasteful number, since it uses less digits than its factorization.

8261266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317756.

The product of its digits is 6912, while the sum is 31.

The square root of 8261266 is about 2874.2418130700. The cubic root of 8261266 is about 202.1539361857.

The spelling of 8261266 in words is "eight million, two hundred sixty-one thousand, two hundred sixty-six".