8963945 has 4 divisors (see below), whose sum is σ = 10756740. Its totient is φ = 7171152.

The previous prime is 8963939. The next prime is 8963957. The reversal of 8963945 is 5493698.

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 2917264 + 6046681 = 1708^2 + 2459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8963945 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8963896 and 8963905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896390 + ... + 896399.

It is an arithmetic number, because the mean of its divisors is an integer number (2689185).

Almost surely, 2^8963945 is an apocalyptic number.

It is an amenable number.

8963945 is a deficient number, since it is larger than the sum of its proper divisors (1792795).

8963945 is a wasteful number, since it uses less digits than its factorization.

8963945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792794.

The product of its digits is 233280, while the sum is 44.

The square root of 8963945 is about 2993.9848029006. The cubic root of 8963945 is about 207.7302423235.

The spelling of 8963945 in words is "eight million, nine hundred sixty-three thousand, nine hundred forty-five".