105650849 has 4 divisors (see below), whose sum is σ = 111211440. Its totient is φ = 100090260.

The previous prime is 105650843. The next prime is 105650863. The reversal of 105650849 is 948056501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105650849 - 2¹² = 105646753 is a prime.

It is a super-2 number, since 2×105650849² = 22324203788841602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105650843) 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 in 3 ways as a sum of consecutive naturals, for example, 2780267 + ... + 2780304.

It is an arithmetic number, because the mean of its divisors is an integer number (27802860).

Almost surely, 2^105650849 is an apocalyptic number.

105650849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105650849 is a deficient number, since it is larger than the sum of its proper divisors (5560591).

105650849 is an equidigital number, since it uses as much as digits as its factorization.

105650849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560590.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 105650849 is about 10278.6598834673. The cubic root of 105650849 is about 472.7421548334.

The spelling of 105650849 in words is "one hundred five million, six hundred fifty thousand, eight hundred forty-nine".