8681020 has 24 divisors (see below), whose sum is σ = 18291168. Its totient is φ = 3460800.

The previous prime is 8681009. The next prime is 8681021. The reversal of 8681020 is 201868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681021) 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 7 ways as a sum of consecutive naturals, for example, 7905 + ... + 8935.

It is an arithmetic number, because the mean of its divisors is an integer number (762132).

Almost surely, 2^8681020 is an apocalyptic number.

It is an amenable number.

8681020 is an abundant number, since it is smaller than the sum of its proper divisors (9610148).

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

8681020 is a wasteful number, since it uses less digits than its factorization.

8681020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

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

The square root of 8681020 is about 2946.3570727256. The cubic root of 8681020 is about 205.5213381347.

Adding to 8681020 its reverse (201868), we get a palindrome (8882888).

The spelling of 8681020 in words is "eight million, six hundred eighty-one thousand, twenty".