8649814 has 4 divisors (see below), whose sum is σ = 12974724. Its totient is φ = 4324906.

The previous prime is 8649803. The next prime is 8649847. The reversal of 8649814 is 4189468.

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

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 as a sum of consecutive naturals, namely, 2162452 + ... + 2162455.

It is an arithmetic number, because the mean of its divisors is an integer number (3243681).

Almost surely, 2^8649814 is an apocalyptic number.

8649814 is a deficient number, since it is larger than the sum of its proper divisors (4324910).

8649814 is a wasteful number, since it uses less digits than its factorization.

8649814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324909.

The product of its digits is 55296, while the sum is 40.

The square root of 8649814 is about 2941.0566128519. The cubic root of 8649814 is about 205.2747772769.

The spelling of 8649814 in words is "eight million, six hundred forty-nine thousand, eight hundred fourteen".