84681256 has 32 divisors (see below), whose sum is σ = 173638080. Its totient is φ = 38396800.

The previous prime is 84681221. The next prime is 84681269. The reversal of 84681256 is 65218648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44925 + ... + 46771.

It is an arithmetic number, because the mean of its divisors is an integer number (5426190).

Almost surely, 2^84681256 is an apocalyptic number.

It is an amenable number.

84681256 is an abundant number, since it is smaller than the sum of its proper divisors (88956824).

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

84681256 is a wasteful number, since it uses less digits than its factorization.

84681256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2381 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 84681256 is about 9202.2419007544. The cubic root of 84681256 is about 439.1326854387.

It can be divided in two parts, 84681 and 256, that multiplied together give a square (21678336 = 4656²).

The spelling of 84681256 in words is "eighty-four million, six hundred eighty-one thousand, two hundred fifty-six".