8649797 has 4 divisors (see below), whose sum is σ = 9315180. Its totient is φ = 7984416.

The previous prime is 8649793. The next prime is 8649803. The reversal of 8649797 is 7979468.

It is a happy number.

8649797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 776161 + 7873636 = 881^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 8649797 - 2² = 8649793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649791) 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, 332672 + ... + 332697.

It is an arithmetic number, because the mean of its divisors is an integer number (2328795).

Almost surely, 2^8649797 is an apocalyptic number.

It is an amenable number.

8649797 is a deficient number, since it is larger than the sum of its proper divisors (665383).

8649797 is a wasteful number, since it uses less digits than its factorization.

8649797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665382.

The product of its digits is 762048, while the sum is 50.

The square root of 8649797 is about 2941.0537227327. The cubic root of 8649797 is about 205.2746427972.

The spelling of 8649797 in words is "eight million, six hundred forty-nine thousand, seven hundred ninety-seven".