856483272 has 36 divisors (see below), whose sum is σ = 2320314945. Its totient is φ = 285411648.

The previous prime is 856483259. The next prime is 856483291. The reversal of 856483272 is 272384658.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

856483272 is a `hidden beast` number, since 8 + 564 + 83 + 2 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 489913956 + 366569316 = 22134^2 + 19146^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20694.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 246604 + ... + 250052.

Almost surely, 2^856483272 is an apocalyptic number.

It is an amenable number.

856483272 is an abundant number, since it is smaller than the sum of its proper divisors (1463831673).

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

856483272 is an equidigital number, since it uses as much as digits as its factorization.

856483272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910 (or 3454 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 856483272 is about 29265.7354597488. The cubic root of 856483272 is about 949.6705309949.

The spelling of 856483272 in words is "eight hundred fifty-six million, four hundred eighty-three thousand, two hundred seventy-two".