854986841 has 2 divisors, whose sum is σ = 854986842. Its totient is φ = 854986840.

The previous prime is 854986813. The next prime is 854986849. The reversal of 854986841 is 148689458.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795465616 + 59521225 = 28204^2 + 7715^2 .

It is a cyclic number.

It is not a de Polignac number, because 854986841 - 2¹⁸ = 854724697 is a prime.

It is not a weakly prime, because it can be changed into another prime (854986849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427493420 + 427493421.

It is an arithmetic number, because the mean of its divisors is an integer number (427493421).

Almost surely, 2^854986841 is an apocalyptic number.

It is an amenable number.

854986841 is a deficient number, since it is larger than the sum of its proper divisors (1).

854986841 is an equidigital number, since it uses as much as digits as its factorization.

854986841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 53.

The square root of 854986841 is about 29240.1580194089. The cubic root of 854986841 is about 949.1171265786.

The spelling of 854986841 in words is "eight hundred fifty-four million, nine hundred eighty-six thousand, eight hundred forty-one".