84274216 has 48 divisors (see below), whose sum is σ = 173396160. Its totient is φ = 38376000.

The previous prime is 84274199. The next prime is 84274217. The reversal of 84274216 is 61247248.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84274217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111841 + ... + 112591.

It is an arithmetic number, because the mean of its divisors is an integer number (3612420).

Almost surely, 2^84274216 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 84274216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86698080).

84274216 is an abundant number, since it is smaller than the sum of its proper divisors (89121944).

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

84274216 is a wasteful number, since it uses less digits than its factorization.

84274216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 849 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 84274216 is about 9180.0989101425. The cubic root of 84274216 is about 438.4279575516.

The spelling of 84274216 in words is "eighty-four million, two hundred seventy-four thousand, two hundred sixteen".