8261008 has 60 divisors (see below), whose sum is σ = 19147212. Its totient is φ = 3440640.

The previous prime is 8260999. The next prime is 8261017. The reversal of 8261008 is 8001628.

It is an interprime number because it is at equal distance from previous prime (8260999) and next prime (8261017).

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 3732624 = 2128^2 + 1932^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32016 + ... + 32272.

Almost surely, 2^8261008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8261008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9573606).

8261008 is an abundant number, since it is smaller than the sum of its proper divisors (10886204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8261008 is a wasteful number, since it uses less digits than its factorization.

8261008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8261008 is about 2874.1969313184. The cubic root of 8261008 is about 202.1518317359.

The spelling of 8261008 in words is "eight million, two hundred sixty-one thousand, eight".