104279305 has 8 divisors (see below), whose sum is σ = 134761032. Its totient is φ = 77006208.

The previous prime is 104279303. The next prime is 104279327. The reversal of 104279305 is 503972401.

It can be written as a sum of positive squares in 4 ways, for example, as 6091024 + 98188281 = 2468^2 + 9909^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104279305 - 2¹ = 104279303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104279303) 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 7 ways as a sum of consecutive naturals, for example, 802084 + ... + 802213.

It is an arithmetic number, because the mean of its divisors is an integer number (16845129).

Almost surely, 2^104279305 is an apocalyptic number.

It is an amenable number.

104279305 is a deficient number, since it is larger than the sum of its proper divisors (30481727).

104279305 is a wasteful number, since it uses less digits than its factorization.

104279305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604315.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 104279305 is about 10211.7238995186. The cubic root of 104279305 is about 470.6875481159.

The spelling of 104279305 in words is "one hundred four million, two hundred seventy-nine thousand, three hundred five".