79843449 has 32 divisors (see below), whose sum is σ = 124761856. Its totient is φ = 44478720.

The previous prime is 79843403. The next prime is 79843469. The reversal of 79843449 is 94434897.

It is not a de Polignac number, because 79843449 - 2⁸ = 79843193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79843398 and 79843407.

It is not an unprimeable number, because it can be changed into a prime (79843469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200919 + ... + 201315.

It is an arithmetic number, because the mean of its divisors is an integer number (3898808).

Almost surely, 2^79843449 is an apocalyptic number.

It is an amenable number.

79843449 is a deficient number, since it is larger than the sum of its proper divisors (44918407).

79843449 is a wasteful number, since it uses less digits than its factorization.

79843449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its digits is 870912, while the sum is 48.

The square root of 79843449 is about 8935.5161574472. The cubic root of 79843449 is about 430.6056887145.

The spelling of 79843449 in words is "seventy-nine million, eight hundred forty-three thousand, four hundred forty-nine".