8213449 has 8 divisors (see below), whose sum is σ = 8471520. Its totient is φ = 7959456.

The previous prime is 8213441. The next prime is 8213459. The reversal of 8213449 is 9443128.

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

It is a cyclic number.

It is not a de Polignac number, because 8213449 - 2³ = 8213441 is a prime.

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 8213449.

It is not an unprimeable number, because it can be changed into a prime (8213441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3354 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (1058940).

Almost surely, 2^8213449 is an apocalyptic number.

It is an amenable number.

8213449 is a deficient number, since it is larger than the sum of its proper divisors (258071).

8213449 is a wasteful number, since it uses less digits than its factorization.

8213449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

The product of its digits is 6912, while the sum is 31.

The square root of 8213449 is about 2865.9115478326. The cubic root of 8213449 is about 201.7631524577.

It can be divided in two parts, 82 and 13449, that added together give a palindrome (13531).

The spelling of 8213449 in words is "eight million, two hundred thirteen thousand, four hundred forty-nine".