8729248 has 24 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 3967680.

The previous prime is 8729243. The next prime is 8729249. The reversal of 8729248 is 8429278.

It is a self number, because there is not a number n which added to its sum of digits gives 8729248.

It is not an unprimeable number, because it can be changed into a prime (8729243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12048 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^8729248 is an apocalyptic number.

8729248 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8729248 is an abundant number, since it is smaller than the sum of its proper divisors (10019552).

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

8729248 is a wasteful number, since it uses less digits than its factorization.

8729248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820 (or 24812 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 8729248 is about 2954.5300810789. The cubic root of 8729248 is about 205.9012314405.

The spelling of 8729248 in words is "eight million, seven hundred twenty-nine thousand, two hundred forty-eight".