84061856 has 12 divisors (see below), whose sum is σ = 165496842. Its totient is φ = 42030912.

The previous prime is 84061847. The next prime is 84061903. The reversal of 84061856 is 65816048.

It can be written as a sum of positive squares in only one way, i.e., 83101456 + 960400 = 9116^2 + 980^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313435 + ... + 1313498.

Almost surely, 2^84061856 is an apocalyptic number.

It is an amenable number.

84061856 is a deficient number, since it is larger than the sum of its proper divisors (81434986).

84061856 is a wasteful number, since it uses less digits than its factorization.

84061856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626943 (or 2626935 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 84061856 is about 9168.5252903616. The cubic root of 84061856 is about 438.0593874285.

The spelling of 84061856 in words is "eighty-four million, sixty-one thousand, eight hundred fifty-six".