8648819 has 4 divisors (see below), whose sum is σ = 9104040. Its totient is φ = 8193600.

The previous prime is 8648813. The next prime is 8648831. The reversal of 8648819 is 9188468.

It is a happy number.

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 8648819 - 2¹² = 8644723 is a prime.

It is a super-2 number, since 2×8648819² = 149604140189522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8648819.

It is not an unprimeable number, because it can be changed into a prime (8648813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227582 + ... + 227619.

It is an arithmetic number, because the mean of its divisors is an integer number (2276010).

Almost surely, 2^8648819 is an apocalyptic number.

8648819 is a deficient number, since it is larger than the sum of its proper divisors (455221).

8648819 is a wasteful number, since it uses less digits than its factorization.

8648819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455220.

The product of its digits is 110592, while the sum is 44.

The square root of 8648819 is about 2940.8874510936. The cubic root of 8648819 is about 205.2669059618.

The spelling of 8648819 in words is "eight million, six hundred forty-eight thousand, eight hundred nineteen".