6881850 has 72 divisors (see below), whose sum is σ = 18990972. Its totient is φ = 1785600.

The previous prime is 6881843. The next prime is 6881851. The reversal of 6881850 is 581886.

It can be written as a sum of positive squares in 6 ways, for example, as 962361 + 5919489 = 981^2 + 2433^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6881851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18264 + ... + 18636.

Almost surely, 2^6881850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6881850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9495486).

6881850 is an abundant number, since it is smaller than the sum of its proper divisors (12109122).

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

6881850 is a wasteful number, since it uses less digits than its factorization.

6881850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 6881850 is about 2623.3280389612. The cubic root of 6881850 is about 190.2107541346.

Adding to 6881850 its sum of digits (36), we get a palindrome (6881886).

It can be divided in two parts, 68 and 81850, that added together give a palindrome (81918).

The spelling of 6881850 in words is "six million, eight hundred eighty-one thousand, eight hundred fifty".