6866552 has 64 divisors (see below), whose sum is σ = 16381440. Its totient is φ = 2620800.

The previous prime is 6866551. The next prime is 6866609. The reversal of 6866552 is 2556686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43658 + ... + 43814.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

Almost surely, 2^6866552 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 6866552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8190720).

6866552 is an abundant number, since it is smaller than the sum of its proper divisors (9514888).

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

6866552 is a wasteful number, since it uses less digits than its factorization.

6866552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 6866552 is about 2620.4106548402. The cubic root of 6866552 is about 190.0697066484.

It can be divided in two parts, 68 and 66552, that multiplied together give a triangular number (4525536 = T₃₀₀₈).

The spelling of 6866552 in words is "six million, eight hundred sixty-six thousand, five hundred fifty-two".