8649473 has 8 divisors (see below), whose sum is σ = 10010880. Its totient is φ = 7319520.

The previous prime is 8649469. The next prime is 8649479. The reversal of 8649473 is 3749468.

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 8649473 - 2² = 8649469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8649473.

It is not an unprimeable number, because it can be changed into a prime (8649479) 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 7 ways as a sum of consecutive naturals, for example, 7268 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (1251360).

Almost surely, 2^8649473 is an apocalyptic number.

It is an amenable number.

8649473 is a deficient number, since it is larger than the sum of its proper divisors (1361407).

8649473 is a wasteful number, since it uses less digits than its factorization.

8649473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727.

The product of its digits is 145152, while the sum is 41.

The square root of 8649473 is about 2940.9986399181. The cubic root of 8649473 is about 205.2720797384.

The spelling of 8649473 in words is "eight million, six hundred forty-nine thousand, four hundred seventy-three".