8371216 has 40 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 3498240.

The previous prime is 8371211. The next prime is 8371249. The reversal of 8371216 is 6121738.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8371211) 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 7 ways as a sum of consecutive naturals, for example, 3681 + ... + 5503.

Almost surely, 2^8371216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8371216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9499392).

8371216 is an abundant number, since it is smaller than the sum of its proper divisors (10627568).

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

8371216 is a wasteful number, since it uses less digits than its factorization.

8371216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1873 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 8371216 is about 2893.3053762090. The cubic root of 8371216 is about 203.0468155432.

The spelling of 8371216 in words is "eight million, three hundred seventy-one thousand, two hundred sixteen".