851806341 has 32 divisors (see below), whose sum is σ = 1311784320. Its totient is φ = 545812992.

The previous prime is 851806337. The next prime is 851806411. The reversal of 851806341 is 143608158.

851806341 is a `hidden beast` number, since 8 + 5 + 18 + 0 + 634 + 1 = 666.

It is not a de Polignac number, because 851806341 - 2² = 851806337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 851806296 and 851806305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851806331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77781 + ... + 88053.

It is an arithmetic number, because the mean of its divisors is an integer number (40993260).

Almost surely, 2^851806341 is an apocalyptic number.

It is an amenable number.

851806341 is a deficient number, since it is larger than the sum of its proper divisors (459977979).

851806341 is a wasteful number, since it uses less digits than its factorization.

851806341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402 (or 10396 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 851806341 is about 29185.7215261162. The cubic root of 851806341 is about 947.9387778922.

The spelling of 851806341 in words is "eight hundred fifty-one million, eight hundred six thousand, three hundred forty-one".