8441979 has 48 divisors (see below), whose sum is σ = 14853888. Its totient is φ = 4151808.

The previous prime is 8441969. The next prime is 8442011. The reversal of 8441979 is 9791448.

It is not a de Polignac number, because 8441979 - 2¹² = 8437883 is a prime.

8441979 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8441979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8441969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78844 + ... + 78950.

It is an arithmetic number, because the mean of its divisors is an integer number (309456).

Almost surely, 2^8441979 is an apocalyptic number.

8441979 is a deficient number, since it is larger than the sum of its proper divisors (6411909).

8441979 is a wasteful number, since it uses less digits than its factorization.

8441979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 147 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 8441979 is about 2905.5083892496. The cubic root of 8441979 is about 203.6173382100.

The spelling of 8441979 in words is "eight million, four hundred forty-one thousand, nine hundred seventy-nine".