8452809 has 16 divisors (see below), whose sum is σ = 12791040. Its totient is φ = 5514480.

The previous prime is 8452793. The next prime is 8452819. The reversal of 8452809 is 9082548.

It is not a de Polignac number, because 8452809 - 2⁴ = 8452793 is a prime.

It is a super-3 number, since 3×8452809³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8452819) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2062 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (799440).

Almost surely, 2^8452809 is an apocalyptic number.

It is an amenable number.

8452809 is a deficient number, since it is larger than the sum of its proper divisors (4338231).

8452809 is a wasteful number, since it uses less digits than its factorization.

8452809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6717 (or 6711 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8452809 is about 2907.3714932908. The cubic root of 8452809 is about 203.7043728361.

It can be divided in two parts, 8452 and 809, that added together give a cube (9261 = 21³).

The spelling of 8452809 in words is "eight million, four hundred fifty-two thousand, eight hundred nine".