8729868 has 48 divisors (see below), whose sum is σ = 23528960. Its totient is φ = 2467584.

The previous prime is 8729867. The next prime is 8729869. The reversal of 8729868 is 8689278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8729867) and next prime (8729869).

It is not an unprimeable number, because it can be changed into a prime (8729867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8148 + ... + 9156.

Almost surely, 2^8729868 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 8729868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11764480).

8729868 is an abundant number, since it is smaller than the sum of its proper divisors (14799092).

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

8729868 is a wasteful number, since it uses less digits than its factorization.

8729868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 8729868 is about 2954.6350028388. The cubic root of 8729868 is about 205.9061060774.

The spelling of 8729868 in words is "eight million, seven hundred twenty-nine thousand, eight hundred sixty-eight".