84311916 has 24 divisors (see below), whose sum is σ = 211861104. Its totient is φ = 25942080.

The previous prime is 84311897. The next prime is 84311917. The reversal of 84311916 is 61911348.

It is not an unprimeable number, because it can be changed into a prime (84311917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270075 + ... + 270386.

It is an arithmetic number, because the mean of its divisors is an integer number (8827546).

Almost surely, 2^84311916 is an apocalyptic number.

It is an amenable number.

84311916 is an abundant number, since it is smaller than the sum of its proper divisors (127549188).

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

84311916 is a wasteful number, since it uses less digits than its factorization.

84311916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540481 (or 540479 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 84311916 is about 9182.1520353346. The cubic root of 84311916 is about 438.4933245986.

The spelling of 84311916 in words is "eighty-four million, three hundred eleven thousand, nine hundred sixteen".