8949219 has 4 divisors (see below), whose sum is σ = 11932296. Its totient is φ = 5966144.

The previous prime is 8949181. The next prime is 8949221. The reversal of 8949219 is 9129498.

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

It is a cyclic number.

It is not a de Polignac number, because 8949219 - 2¹¹ = 8947171 is a prime.

It is a super-2 number, since 2×8949219² = 160177041419922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8949299) 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, 1491534 + ... + 1491539.

It is an arithmetic number, because the mean of its divisors is an integer number (2983074).

Almost surely, 2^8949219 is an apocalyptic number.

8949219 is a deficient number, since it is larger than the sum of its proper divisors (2983077).

8949219 is a wasteful number, since it uses less digits than its factorization.

8949219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983076.

The product of its digits is 46656, while the sum is 42.

The square root of 8949219 is about 2991.5245277283. The cubic root of 8949219 is about 207.6164266537.

The spelling of 8949219 in words is "eight million, nine hundred forty-nine thousand, two hundred nineteen".