8459945 has 16 divisors (see below), whose sum is σ = 11015760. Its totient is φ = 6200064.

The previous prime is 8459933. The next prime is 8459987. The reversal of 8459945 is 5499548.

It can be written as a sum of positive squares in 8 ways, for example, as 913936 + 7546009 = 956^2 + 2747^2 .

It is not a de Polignac number, because 8459945 - 2¹⁰ = 8458921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8459896 and 8459905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9791 + ... + 10619.

It is an arithmetic number, because the mean of its divisors is an integer number (688485).

Almost surely, 2^8459945 is an apocalyptic number.

It is an amenable number.

8459945 is a deficient number, since it is larger than the sum of its proper divisors (2555815).

8459945 is a wasteful number, since it uses less digits than its factorization.

8459945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its digits is 259200, while the sum is 44.

The square root of 8459945 is about 2908.5984597397. The cubic root of 8459945 is about 203.7616802367.

The spelling of 8459945 in words is "eight million, four hundred fifty-nine thousand, nine hundred forty-five".