8040216 has 16 divisors (see below), whose sum is σ = 20100600. Its totient is φ = 2680064.

The previous prime is 8040169. The next prime is 8040217. The reversal of 8040216 is 6120408.

It is a junction number, because it is equal to n+sod(n) for n = 8040192 and 8040201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167481 + ... + 167528.

Almost surely, 2^8040216 is an apocalyptic number.

It is an amenable number.

8040216 is an abundant number, since it is smaller than the sum of its proper divisors (12060384).

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

8040216 is a wasteful number, since it uses less digits than its factorization.

8040216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335018 (or 335014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8040216 is about 2835.5274641590. The cubic root of 8040216 is about 200.3345733247.

It can be divided in two parts, 8040 and 216, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 8040216 in words is "eight million, forty thousand, two hundred sixteen".