86834649 has 16 divisors (see below), whose sum is σ = 127560384. Its totient is φ = 52104000.

The previous prime is 86834647. The next prime is 86834663. The reversal of 86834649 is 94643868.

It is not a de Polignac number, because 86834649 - 2¹ = 86834647 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86834598 and 86834607.

It is not an unprimeable number, because it can be changed into a prime (86834641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9694 + ... + 16359.

It is an arithmetic number, because the mean of its divisors is an integer number (7972524).

Almost surely, 2^86834649 is an apocalyptic number.

It is an amenable number.

86834649 is a deficient number, since it is larger than the sum of its proper divisors (40725735).

86834649 is a wasteful number, since it uses less digits than its factorization.

86834649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26168.

The product of its digits is 995328, while the sum is 48.

The square root of 86834649 is about 9318.5110935170. The cubic root of 86834649 is about 442.8238645377.

The spelling of 86834649 in words is "eighty-six million, eight hundred thirty-four thousand, six hundred forty-nine".