10860809 has 2 divisors, whose sum is σ = 10860810. Its totient is φ = 10860808.

The previous prime is 10860797. The next prime is 10860851. The reversal of 10860809 is 90806801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 640000 = 3197^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 10860809 - 2⁴ = 10860793 is a prime.

It is a super-3 number, since 3×10860809³ (a number of 22 digits) contains 333 as substring.

It is equal to p₇₁₇₉₂₆ and since 10860809 and 717926 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10860709) 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 as a sum of consecutive naturals, namely, 5430404 + 5430405.

It is an arithmetic number, because the mean of its divisors is an integer number (5430405).

Almost surely, 2^10860809 is an apocalyptic number.

It is an amenable number.

10860809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10860809 is an equidigital number, since it uses as much as digits as its factorization.

10860809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 10860809 is about 3295.5741533153. The cubic root of 10860809 is about 221.4559697924.

The spelling of 10860809 in words is "ten million, eight hundred sixty thousand, eight hundred nine".