8216502 has 32 divisors (see below), whose sum is σ = 19014912. Its totient is φ = 2318304.

The previous prime is 8216489. The next prime is 8216503. The reversal of 8216502 is 2056128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (594216).

Almost surely, 2^8216502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8216502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9507456).

8216502 is an abundant number, since it is smaller than the sum of its proper divisors (10798410).

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

8216502 is a wasteful number, since it uses less digits than its factorization.

8216502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8216502 is about 2866.4441386498. Note that the first 3 decimals coincide. The cubic root of 8216502 is about 201.7881483150.

The spelling of 8216502 in words is "eight million, two hundred sixteen thousand, five hundred two".