8196520 has 16 divisors (see below), whose sum is σ = 18442260. Its totient is φ = 3278592.

The previous prime is 8196511. The next prime is 8196523. The reversal of 8196520 is 256918.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 5476 = 2862^2 + 74^2 .

It is a super-2 number, since 2×8196520² = 134365880220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8196523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102417 + ... + 102496.

Almost surely, 2^8196520 is an apocalyptic number.

It is an amenable number.

8196520 is an abundant number, since it is smaller than the sum of its proper divisors (10245740).

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

8196520 is a wasteful number, since it uses less digits than its factorization.

8196520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204924 (or 204920 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8196520 is about 2862.9565138157. The cubic root of 8196520 is about 201.6244369680.

The spelling of 8196520 in words is "eight million, one hundred ninety-six thousand, five hundred twenty".