8479825 has 12 divisors (see below), whose sum is σ = 10772748. Its totient is φ = 6617600.

The previous prime is 8479819. The next prime is 8479829. The reversal of 8479825 is 5289748.

It can be written as a sum of positive squares in 6 ways, for example, as 678976 + 7800849 = 824^2 + 2793^2 .

It is not a de Polignac number, because 8479825 - 2³ = 8479817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8479829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3112 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (897729).

Almost surely, 2^8479825 is an apocalyptic number.

It is an amenable number.

8479825 is a deficient number, since it is larger than the sum of its proper divisors (2292923).

8479825 is a wasteful number, since it uses less digits than its factorization.

8479825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324 (or 8319 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 8479825 is about 2912.0139079338. The cubic root of 8479825 is about 203.9211617056.

The spelling of 8479825 in words is "eight million, four hundred seventy-nine thousand, eight hundred twenty-five".