8405089 has 16 divisors (see below), whose sum is σ = 11097216. Its totient is φ = 6163200.

The previous prime is 8405077. The next prime is 8405101. The reversal of 8405089 is 9805048.

It is an interprime number because it is at equal distance from previous prime (8405077) and next prime (8405101).

It is a cyclic number.

It is not a de Polignac number, because 8405089 - 2¹⁵ = 8372321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8405029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (693576).

Almost surely, 2^8405089 is an apocalyptic number.

It is an amenable number.

8405089 is a deficient number, since it is larger than the sum of its proper divisors (2692127).

8405089 is a wasteful number, since it uses less digits than its factorization.

8405089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8405089 is about 2899.1531522153. The cubic root of 8405089 is about 203.3203141952.

It can be divided in two parts, 840 and 5089, that added together give a square (5929 = 77²).

The spelling of 8405089 in words is "eight million, four hundred five thousand, eighty-nine".