8672213 has 4 divisors (see below), whose sum is σ = 9460608. Its totient is φ = 7883820.

The previous prime is 8672207. The next prime is 8672239. The reversal of 8672213 is 3122768.

It is a happy number.

8672213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8672213 is a prime.

It is a d-powerful number, because it can be written as 8³ + 6⁷ + 7⁴ + 2⁹ + 2²³ + 1 + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672203) 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, 394181 + ... + 394202.

It is an arithmetic number, because the mean of its divisors is an integer number (2365152).

Almost surely, 2^8672213 is an apocalyptic number.

It is an amenable number.

8672213 is a deficient number, since it is larger than the sum of its proper divisors (788395).

8672213 is a wasteful number, since it uses less digits than its factorization.

8672213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788394.

The product of its digits is 4032, while the sum is 29.

The square root of 8672213 is about 2944.8621359921. The cubic root of 8672213 is about 205.4518133220.

The spelling of 8672213 in words is "eight million, six hundred seventy-two thousand, two hundred thirteen".