8485641 has 10 divisors (see below), whose sum is σ = 12676202. Its totient is φ = 5657040.

The previous prime is 8485639. The next prime is 8485667. The reversal of 8485641 is 1465848.

8485641 is a `hidden beast` number, since 8 + 4 + 8 + 5 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5861241 + 2624400 = 2421^2 + 1620^2 .

It is not a de Polignac number, because 8485641 - 2¹ = 8485639 is a prime.

It is a super-2 number, since 2×8485641² = 144012206361762, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8485596 and 8485605.

It is not an unprimeable number, because it can be changed into a prime (8485681) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52300 + ... + 52461.

Almost surely, 2^8485641 is an apocalyptic number.

8485641 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8485641 is a deficient number, since it is larger than the sum of its proper divisors (4190561).

8485641 is a wasteful number, since it uses less digits than its factorization.

8485641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104773 (or 104764 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 8485641 is about 2913.0123583672. The cubic root of 8485641 is about 203.9677717254.

The spelling of 8485641 in words is "eight million, four hundred eighty-five thousand, six hundred forty-one".