6446089 has 8 divisors (see below), whose sum is σ = 6965000. Its totient is φ = 5930496.

The previous prime is 6446057. The next prime is 6446101. The reversal of 6446089 is 9806446.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 6086089 = 600^2 + 2467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6446089 - 2⁵ = 6446057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6446189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4537 + ... + 5785.

It is an arithmetic number, because the mean of its divisors is an integer number (870625).

Almost surely, 2^6446089 is an apocalyptic number.

It is an amenable number.

6446089 is a deficient number, since it is larger than the sum of its proper divisors (518911).

6446089 is a wasteful number, since it uses less digits than its factorization.

6446089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6446089 is about 2538.9149257114. The cubic root of 6446089 is about 186.1081673222.

The spelling of 6446089 in words is "six million, four hundred forty-six thousand, eighty-nine".