8486213 has 4 divisors (see below), whose sum is σ = 8985420. Its totient is φ = 7987008.

The previous prime is 8486207. The next prime is 8486227. The reversal of 8486213 is 3126848.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5166529 + 3319684 = 2273^2 + 1822^2 .

It is not a de Polignac number, because 8486213 - 2⁴ = 8486197 is a prime.

It is a super-2 number, since 2×8486213² = 144031622162738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8486213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8486243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249578 + ... + 249611.

It is an arithmetic number, because the mean of its divisors is an integer number (2246355).

Almost surely, 2^8486213 is an apocalyptic number.

It is an amenable number.

8486213 is a deficient number, since it is larger than the sum of its proper divisors (499207).

8486213 is a wasteful number, since it uses less digits than its factorization.

8486213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499206.

The product of its digits is 9216, while the sum is 32.

The square root of 8486213 is about 2913.1105368660. The cubic root of 8486213 is about 203.9723546416.

The spelling of 8486213 in words is "eight million, four hundred eighty-six thousand, two hundred thirteen".