8516945 has 8 divisors (see below), whose sum is σ = 10393920. Its totient is φ = 6697840.

The previous prime is 8516927. The next prime is 8516951. The reversal of 8516945 is 5496158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8516945 - 2¹⁸ = 8254801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8516899 and 8516908.

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 7 ways as a sum of consecutive naturals, for example, 14141 + ... + 14730.

It is an arithmetic number, because the mean of its divisors is an integer number (1299240).

Almost surely, 2^8516945 is an apocalyptic number.

It is an amenable number.

8516945 is a deficient number, since it is larger than the sum of its proper divisors (1876975).

8516945 is a wasteful number, since it uses less digits than its factorization.

8516945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28935.

The product of its digits is 43200, while the sum is 38.

The square root of 8516945 is about 2918.3805440689. The cubic root of 8516945 is about 204.2182800696.

It can be divided in two parts, 851 and 6945, that multiplied together give a palindrome (5910195).

The spelling of 8516945 in words is "eight million, five hundred sixteen thousand, nine hundred forty-five".