986854061 has 2 divisors, whose sum is σ = 986854062. Its totient is φ = 986854060.

The previous prime is 986854049. The next prime is 986854067. The reversal of 986854061 is 160458689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828345961 + 158508100 = 28781^2 + 12590^2 .

It is an emirp because it is prime and its reverse (160458689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986854061 - 2¹⁰ = 986853037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 986853997 and 986854015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986854067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493427030 + 493427031.

It is an arithmetic number, because the mean of its divisors is an integer number (493427031).

Almost surely, 2^986854061 is an apocalyptic number.

It is an amenable number.

986854061 is a deficient number, since it is larger than the sum of its proper divisors (1).

986854061 is an equidigital number, since it uses as much as digits as its factorization.

986854061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 986854061 is about 31414.2334141707. The cubic root of 986854061 is about 995.5986771104.

The spelling of 986854061 in words is "nine hundred eighty-six million, eight hundred fifty-four thousand, sixty-one".