8649499 has 4 divisors (see below), whose sum is σ = 8778664. Its totient is φ = 8520336.

The previous prime is 8649491. The next prime is 8649517. The reversal of 8649499 is 9949468.

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 8649499 - 2³ = 8649491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8649491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64482 + ... + 64615.

It is an arithmetic number, because the mean of its divisors is an integer number (2194666).

Almost surely, 2^8649499 is an apocalyptic number.

8649499 is a deficient number, since it is larger than the sum of its proper divisors (129165).

8649499 is a wasteful number, since it uses less digits than its factorization.

8649499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129164.

The product of its digits is 559872, while the sum is 49.

The square root of 8649499 is about 2941.0030601820. The cubic root of 8649499 is about 205.2722854183.

The spelling of 8649499 in words is "eight million, six hundred forty-nine thousand, four hundred ninety-nine".