8445279 has 16 divisors (see below), whose sum is σ = 11508224. Its totient is φ = 5508000.

The previous prime is 8445271. The next prime is 8445343. The reversal of 8445279 is 9725448.

It is not a de Polignac number, because 8445279 - 2³ = 8445271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445271) 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 15 ways as a sum of consecutive naturals, for example, 46569 + ... + 46749.

It is an arithmetic number, because the mean of its divisors is an integer number (719264).

Almost surely, 2^8445279 is an apocalyptic number.

8445279 is a deficient number, since it is larger than the sum of its proper divisors (3062945).

8445279 is a wasteful number, since it uses less digits than its factorization.

8445279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its digits is 80640, while the sum is 39.

The square root of 8445279 is about 2906.0762206109. The cubic root of 8445279 is about 203.6438663373.

The spelling of 8445279 in words is "eight million, four hundred forty-five thousand, two hundred seventy-nine".