8674945 has 4 divisors (see below), whose sum is σ = 10409940. Its totient is φ = 6939952.

The previous prime is 8674937. The next prime is 8674961. The reversal of 8674945 is 5494768.

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 4048144 + 4626801 = 2012^2 + 2151^2 .

It is a cyclic number.

It is not a de Polignac number, because 8674945 - 2³ = 8674937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867490 + ... + 867499.

It is an arithmetic number, because the mean of its divisors is an integer number (2602485).

Almost surely, 2^8674945 is an apocalyptic number.

It is an amenable number.

8674945 is a deficient number, since it is larger than the sum of its proper divisors (1734995).

8674945 is a wasteful number, since it uses less digits than its factorization.

8674945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734994.

The product of its digits is 241920, while the sum is 43.

The square root of 8674945 is about 2945.3259581921. The cubic root of 8674945 is about 205.4733854945.

The spelling of 8674945 in words is "eight million, six hundred seventy-four thousand, nine hundred forty-five".