986854069 has 2 divisors, whose sum is σ = 986854070. Its totient is φ = 986854068.

The previous prime is 986854067. The next prime is 986854073. The reversal of 986854069 is 960458689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582643044 + 404211025 = 24138^2 + 20105^2 .

It is a cyclic number.

It is not a de Polignac number, because 986854069 - 2¹ = 986854067 is a prime.

It is a super-2 number, since 2×986854069² = 1947761907003713522, which contains 22 as substring.

Together with 986854067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986854061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493427034 + 493427035.

It is an arithmetic number, because the mean of its divisors is an integer number (493427035).

Almost surely, 2^986854069 is an apocalyptic number.

It is an amenable number.

986854069 is a deficient number, since it is larger than the sum of its proper divisors (1).

986854069 is an equidigital number, since it uses as much as digits as its factorization.

986854069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The square root of 986854069 is about 31414.2335415015. The cubic root of 986854069 is about 995.5986798007.

The spelling of 986854069 in words is "nine hundred eighty-six million, eight hundred fifty-four thousand, sixty-nine".