8479744 has 99 divisors (see below), whose sum is σ = 21352257. Its totient is φ = 3354624.

The previous prime is 8479741. The next prime is 8479747. The reversal of 8479744 is 4479748.

It is a happy number.

The square root of 8479744 is 2912.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (8479741) and next prime (8479747).

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 7225344 = 1120^2 + 2688^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8479744.

It is not an unprimeable number, because it can be changed into a prime (8479741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 652282 + ... + 652294.

Almost surely, 2^8479744 is an apocalyptic number.

8479744 is the 2912-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8479744

8479744 is an abundant number, since it is smaller than the sum of its proper divisors (12872513).

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

8479744 is a wasteful number, since it uses less digits than its factorization.

8479744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 22 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The cubic root of 8479744 is about 203.9205124128.

The spelling of 8479744 in words is "eight million, four hundred seventy-nine thousand, seven hundred forty-four".