8485569 has 9 divisors (see below), whose sum is σ = 12269569. Its totient is φ = 5651220.

The previous prime is 8485517. The next prime is 8485579. The reversal of 8485569 is 9655848.

The square root of 8485569 is 2913.

It is a perfect power (a square), and thus also a powerful number.

8485569 is a `hidden beast` number, since 8 + 4 + 85 + 569 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8485569 - 2⁷ = 8485441 is a prime.

It is a super-2 number, since 2×8485569² = 144009762507522, which contains 22 as substring.

It is a Duffinian number.

8485569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8485579) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8254 + ... + 9224.

Almost surely, 2^8485569 is an apocalyptic number.

8485569 is the 2913-rd square number.

8485569 is the 1457-th centered octagonal number.

It is an amenable number.

8485569 is a deficient number, since it is larger than the sum of its proper divisors (3784000).

8485569 is an frugal number, since it uses more digits than its factorization.

8485569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 974 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The cubic root of 8485569 is about 203.9671948402.

The spelling of 8485569 in words is "eight million, four hundred eighty-five thousand, five hundred sixty-nine".