104898565 has 8 divisors (see below), whose sum is σ = 125939448. Its totient is φ = 83878080.

The previous prime is 104898557. The next prime is 104898583. The reversal of 104898565 is 565898401.

It is a Cunningham number, because it is equal to 10242²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 104898564 = 1^2 + 10242^2 .

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

It is not a de Polignac number, because 104898565 - 2³ = 104898557 is a prime.

It is a super-2 number, since 2×104898565² = 22007417878118450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10639 + ... + 17971.

It is an arithmetic number, because the mean of its divisors is an integer number (15742431).

Almost surely, 2^104898565 is an apocalyptic number.

It is an amenable number.

104898565 is a deficient number, since it is larger than the sum of its proper divisors (21040883).

104898565 is an equidigital number, since it uses as much as digits as its factorization.

104898565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 104898565 is about 10242.0000488186. Note that the first 4 decimals coincide. The cubic root of 104898565 is about 471.6174318511.

The spelling of 104898565 in words is "one hundred four million, eight hundred ninety-eight thousand, five hundred sixty-five".