84061056 has 128 divisors (see below), whose sum is σ = 240883200. Its totient is φ = 25878528.

The previous prime is 84061049. The next prime is 84061069. The reversal of 84061056 is 65016048.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×84061056² = 14132522271670272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515631 + ... + 515793.

It is an arithmetic number, because the mean of its divisors is an integer number (1881900).

Almost surely, 2^84061056 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 84061056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120441600).

84061056 is an abundant number, since it is smaller than the sum of its proper divisors (156822144).

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

84061056 is a wasteful number, since it uses less digits than its factorization.

84061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 84061056 is about 9168.4816627400. The cubic root of 84061056 is about 438.0579977827.

The spelling of 84061056 in words is "eighty-four million, sixty-one thousand, fifty-six".