8526240 has 144 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 2188800.

The previous prime is 8526211. The next prime is 8526247. The reversal of 8526240 is 426258.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (8526247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44545 + ... + 44735.

It is an arithmetic number, because the mean of its divisors is an integer number (209664).

Almost surely, 2^8526240 is an apocalyptic number.

8526240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8526240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15095808).

8526240 is an abundant number, since it is smaller than the sum of its proper divisors (21665376).

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

8526240 is a wasteful number, since it uses less digits than its factorization.

8526240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8526240 is about 2919.9726026112. The cubic root of 8526240 is about 204.2925445229.

The spelling of 8526240 in words is "eight million, five hundred twenty-six thousand, two hundred forty".