8648404 has 12 divisors (see below), whose sum is σ = 15157044. Its totient is φ = 4317824.

The previous prime is 8648389. The next prime is 8648413. The reversal of 8648404 is 4048468.

It can be written as a sum of positive squares in 2 ways, for example, as 8398404 + 250000 = 2898^2 + 500^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8648404.

It is a congruent number.

It is an unprimeable number.

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, 2802 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (1263087).

Almost surely, 2^8648404 is an apocalyptic number.

It is an amenable number.

8648404 is a deficient number, since it is larger than the sum of its proper divisors (6508640).

8648404 is a wasteful number, since it uses less digits than its factorization.

8648404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 8648404 is about 2940.8168933138. The cubic root of 8648404 is about 205.2636227725.

The spelling of 8648404 in words is "eight million, six hundred forty-eight thousand, four hundred four".