8789045 has 4 divisors (see below), whose sum is σ = 10546860. Its totient is φ = 7031232.

The previous prime is 8789041. The next prime is 8789057. The reversal of 8789045 is 5409878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5409878 = 2 ⋅2704939.

It can be written as a sum of positive squares in 2 ways, for example, as 1423249 + 7365796 = 1193^2 + 2714^2 .

It is a cyclic number.

It is not a de Polignac number, because 8789045 - 2² = 8789041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8788993 and 8789011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8789041) 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, 878900 + ... + 878909.

It is an arithmetic number, because the mean of its divisors is an integer number (2636715).

Almost surely, 2^8789045 is an apocalyptic number.

It is an amenable number.

8789045 is a deficient number, since it is larger than the sum of its proper divisors (1757815).

8789045 is a wasteful number, since it uses less digits than its factorization.

8789045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757814.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8789045 is about 2964.6323549472. The cubic root of 8789045 is about 206.3703160870.

The spelling of 8789045 in words is "eight million, seven hundred eighty-nine thousand, forty-five".