8432216 has 32 divisors (see below), whose sum is σ = 17236800. Its totient is φ = 3843840.

The previous prime is 8432201. The next prime is 8432231. The reversal of 8432216 is 6122348.

It is an interprime number because it is at equal distance from previous prime (8432201) and next prime (8432231).

It is a super-2 number, since 2×8432216² = 142204533341312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8801 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 2^8432216 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 8432216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8618400).

8432216 is an abundant number, since it is smaller than the sum of its proper divisors (8804584).

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

8432216 is a wasteful number, since it uses less digits than its factorization.

8432216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1015 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 8432216 is about 2903.8278185870. The cubic root of 8432216 is about 203.5388146436.

The spelling of 8432216 in words is "eight million, four hundred thirty-two thousand, two hundred sixteen".