8440885 has 16 divisors (see below), whose sum is σ = 10938240. Its totient is φ = 6233920.

The previous prime is 8440877. The next prime is 8440889. The reversal of 8440885 is 5880448.

It is not a de Polignac number, because 8440885 - 2³ = 8440877 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁷ + 4¹¹ + 0 + 8⁷ + 8⁷ + 5⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8440889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2070 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (683640).

Almost surely, 2^8440885 is an apocalyptic number.

It is an amenable number.

8440885 is a deficient number, since it is larger than the sum of its proper divisors (2497355).

8440885 is a wasteful number, since it uses less digits than its factorization.

8440885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 8440885 is about 2905.3201200556. The cubic root of 8440885 is about 203.6085422081.

The spelling of 8440885 in words is "eight million, four hundred forty thousand, eight hundred eighty-five".