8520016 has 10 divisors (see below), whose sum is σ = 16507562. Its totient is φ = 4260000.

The previous prime is 8520011. The next prime is 8520023. The reversal of 8520016 is 6100258.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6270016 + 2250000 = 2504^2 + 1500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520011) 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 as a sum of consecutive naturals, namely, 266235 + ... + 266266.

Almost surely, 2^8520016 is an apocalyptic number.

It is an amenable number.

8520016 is a deficient number, since it is larger than the sum of its proper divisors (7987546).

8520016 is a wasteful number, since it uses less digits than its factorization.

8520016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532509 (or 532503 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 8520016 is about 2918.9066446188. The cubic root of 8520016 is about 204.2428224759.

The spelling of 8520016 in words is "eight million, five hundred twenty thousand, sixteen".