86826213 has 12 divisors (see below), whose sum is σ = 125663148. Its totient is φ = 57769920.

The previous prime is 86826209. The next prime is 86826221. The reversal of 86826213 is 31262868.

It can be written as a sum of positive squares in 2 ways, for example, as 24621444 + 62204769 = 4962^2 + 7887^2 .

It is not a de Polignac number, because 86826213 - 2² = 86826209 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86826253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4570 + ... + 13947.

It is an arithmetic number, because the mean of its divisors is an integer number (10471929).

Almost surely, 2^86826213 is an apocalyptic number.

It is an amenable number.

86826213 is a deficient number, since it is larger than the sum of its proper divisors (38836935).

86826213 is a wasteful number, since it uses less digits than its factorization.

86826213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19044 (or 19041 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 86826213 is about 9318.0584351033. The cubic root of 86826213 is about 442.8095239369.

The spelling of 86826213 in words is "eighty-six million, eight hundred twenty-six thousand, two hundred thirteen".