10805849 has 2 divisors, whose sum is σ = 10805850. Its totient is φ = 10805848.

The previous prime is 10805843. The next prime is 10805891. The reversal of 10805849 is 94850801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10679824 + 126025 = 3268^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 10805849 - 2¹² = 10801753 is a prime.

It is a super-2 number, since 2×10805849² = 233532745221602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10805843) 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, 5402924 + 5402925.

It is an arithmetic number, because the mean of its divisors is an integer number (5402925).

Almost surely, 2^10805849 is an apocalyptic number.

It is an amenable number.

10805849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10805849 is an equidigital number, since it uses as much as digits as its factorization.

10805849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 10805849 is about 3287.2251215881. The cubic root of 10805849 is about 221.0817862360.

The spelling of 10805849 in words is "ten million, eight hundred five thousand, eight hundred forty-nine".