84189016 has 64 divisors (see below), whose sum is σ = 171460800. Its totient is φ = 38658048.

The previous prime is 84189013. The next prime is 84189029. The reversal of 84189016 is 61098148.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84189013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867880 + ... + 867976.

It is an arithmetic number, because the mean of its divisors is an integer number (2679075).

Almost surely, 2^84189016 is an apocalyptic number.

It is an amenable number.

84189016 is an abundant number, since it is smaller than the sum of its proper divisors (87271784).

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

84189016 is a wasteful number, since it uses less digits than its factorization.

84189016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 84189016 is about 9175.4572638098. The cubic root of 84189016 is about 438.2801596486.

The spelling of 84189016 in words is "eighty-four million, one hundred eighty-nine thousand, sixteen".