8216450 has 24 divisors (see below), whose sum is σ = 16673040. Its totient is φ = 2987600.

The previous prime is 8216447. The next prime is 8216459. The reversal of 8216450 is 546128.

It is a super-3 number, since 3×8216450³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8216459) 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, 6920 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (694710).

Almost surely, 2^8216450 is an apocalyptic number.

8216450 is an abundant number, since it is smaller than the sum of its proper divisors (8456590).

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

8216450 is a wasteful number, since it uses less digits than its factorization.

8216450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14962 (or 14957 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8216450 is about 2866.4350681639. The cubic root of 8216450 is about 201.7877226267.

The spelling of 8216450 in words is "eight million, two hundred sixteen thousand, four hundred fifty".