8728992 has 48 divisors (see below), whose sum is σ = 25462080. Its totient is φ = 2909376.

The previous prime is 8728987. The next prime is 8729033. The reversal of 8728992 is 2998278.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (530460).

Almost surely, 2^8728992 is an apocalyptic number.

It is an amenable number.

8728992 is an abundant number, since it is smaller than the sum of its proper divisors (16733088).

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

8728992 is a wasteful number, since it uses less digits than its factorization.

8728992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122 (or 10108 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8728992 is about 2954.4867574589. The cubic root of 8728992 is about 205.8992186199.

It can be divided in two parts, 8 and 728992, that added together give a cube (729000 = 90³).

The spelling of 8728992 in words is "eight million, seven hundred twenty-eight thousand, nine hundred ninety-two".