8485649 has 4 divisors (see below), whose sum is σ = 8624820. Its totient is φ = 8346480.

The previous prime is 8485639. The next prime is 8485667. The reversal of 8485649 is 9465848.

It is a happy number.

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 3940225 + 4545424 = 1985^2 + 2132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8485649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8485619) 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, 69494 + ... + 69615.

It is an arithmetic number, because the mean of its divisors is an integer number (2156205).

Almost surely, 2^8485649 is an apocalyptic number.

It is an amenable number.

8485649 is a deficient number, since it is larger than the sum of its proper divisors (139171).

8485649 is a wasteful number, since it uses less digits than its factorization.

8485649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139170.

The product of its digits is 276480, while the sum is 44.

The square root of 8485649 is about 2913.0137315159. The cubic root of 8485649 is about 203.9678358235.

The spelling of 8485649 in words is "eight million, four hundred eighty-five thousand, six hundred forty-nine".