856462041 has 24 divisors (see below), whose sum is σ = 1255330440. Its totient is φ = 562611456.

The previous prime is 856462037. The next prime is 856462043. The reversal of 856462041 is 140264658.

856462041 is a `hidden beast` number, since 8 + 5 + 646 + 2 + 0 + 4 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 72182016 + 784280025 = 8496^2 + 28005^2 .

It is not a de Polignac number, because 856462041 - 2² = 856462037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 856461987 and 856462005.

It is not an unprimeable number, because it can be changed into a prime (856462043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252231 + ... + 255603.

It is an arithmetic number, because the mean of its divisors is an integer number (52305435).

Almost surely, 2^856462041 is an apocalyptic number.

It is an amenable number.

856462041 is a deficient number, since it is larger than the sum of its proper divisors (398868399).

856462041 is a wasteful number, since it uses less digits than its factorization.

856462041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785 (or 3782 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 856462041 is about 29265.3727295587. The cubic root of 856462041 is about 949.6626839370.

The spelling of 856462041 in words is "eight hundred fifty-six million, four hundred sixty-two thousand, forty-one".