104639265 has 12 divisors (see below), whose sum is σ = 181374804. Its totient is φ = 55807584.

The previous prime is 104639261. The next prime is 104639281. The reversal of 104639265 is 562936401.

It is a happy number.

104639265 is a `hidden beast` number, since 10 + 4 + 639 + 2 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 75898944 + 28740321 = 8712^2 + 5361^2 .

It is not a de Polignac number, because 104639265 - 2² = 104639261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104639261) 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 11 ways as a sum of consecutive naturals, for example, 1162614 + ... + 1162703.

It is an arithmetic number, because the mean of its divisors is an integer number (15114567).

Almost surely, 2^104639265 is an apocalyptic number.

104639265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104639265 is a deficient number, since it is larger than the sum of its proper divisors (76735539).

104639265 is a wasteful number, since it uses less digits than its factorization.

104639265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325328 (or 2325325 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 104639265 is about 10229.3335560045. Note that the first 3 decimals coincide. The cubic root of 104639265 is about 471.2285123192.

The spelling of 104639265 in words is "one hundred four million, six hundred thirty-nine thousand, two hundred sixty-five".