84256272 has 30 divisors (see below), whose sum is σ = 235800942. Its totient is φ = 28085376.

The previous prime is 84256261. The next prime is 84256349. The reversal of 84256272 is 27265248.

84256272 is a `hidden beast` number, since 8 + 4 + 25 + 627 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 12278016 = 8484^2 + 3504^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292413 + ... + 292700.

Almost surely, 2^84256272 is an apocalyptic number.

It is an amenable number.

84256272 is an abundant number, since it is smaller than the sum of its proper divisors (151544670).

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

84256272 is a wasteful number, since it uses less digits than its factorization.

84256272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585127 (or 585118 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 84256272 is about 9179.1215265950. The cubic root of 84256272 is about 438.3968380701.

The spelling of 84256272 in words is "eighty-four million, two hundred fifty-six thousand, two hundred seventy-two".