8280849 has 4 divisors (see below), whose sum is σ = 11041136. Its totient is φ = 5520564.

The previous prime is 8280841. The next prime is 8280911. The reversal of 8280849 is 9480828.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8280849 - 2³ = 8280841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8280841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380139 + ... + 1380144.

It is an arithmetic number, because the mean of its divisors is an integer number (2760284).

Almost surely, 2^8280849 is an apocalyptic number.

It is an amenable number.

8280849 is a deficient number, since it is larger than the sum of its proper divisors (2760287).

8280849 is a wasteful number, since it uses less digits than its factorization.

8280849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760286.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 8280849 is about 2877.6464341541. The cubic root of 8280849 is about 202.3135427400.

The spelling of 8280849 in words is "eight million, two hundred eighty thousand, eight hundred forty-nine".