86434211 has 4 divisors (see below), whose sum is σ = 90983400. Its totient is φ = 81885024.

The previous prime is 86434199. The next prime is 86434217. The reversal of 86434211 is 11243468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86434211 - 2⁶ = 86434147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86434217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274566 + ... + 2274603.

It is an arithmetic number, because the mean of its divisors is an integer number (22745850).

Almost surely, 2^86434211 is an apocalyptic number.

86434211 is a deficient number, since it is larger than the sum of its proper divisors (4549189).

86434211 is a wasteful number, since it uses less digits than its factorization.

86434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549188.

The product of its digits is 4608, while the sum is 29.

The square root of 86434211 is about 9297.0001075616. Note that the first 3 decimals coincide. The cubic root of 86434211 is about 442.1421213972.

Adding to 86434211 its reverse (11243468), we get a palindrome (97677679).

The spelling of 86434211 in words is "eighty-six million, four hundred thirty-four thousand, two hundred eleven".