8406213 has 8 divisors (see below), whose sum is σ = 11252928. Its totient is φ = 5581824.

The previous prime is 8406193. The next prime is 8406221. The reversal of 8406213 is 3126048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8406213 - 2¹³ = 8398021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (1406616).

Almost surely, 2^8406213 is an apocalyptic number.

It is an amenable number.

8406213 is a deficient number, since it is larger than the sum of its proper divisors (2846715).

8406213 is a wasteful number, since it uses less digits than its factorization.

8406213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 8406213 is about 2899.3469954457. The cubic root of 8406213 is about 203.3293770319.

The spelling of 8406213 in words is "eight million, four hundred six thousand, two hundred thirteen".