105436849 has 8 divisors (see below), whose sum is σ = 120748608. Its totient is φ = 90187440.

The previous prime is 105436847. The next prime is 105436889. The reversal of 105436849 is 948634501.

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

It is not a de Polignac number, because 105436849 - 2¹ = 105436847 is a prime.

It is a super-2 number, since 2×105436849² = 22233858254097602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105436841) 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 7 ways as a sum of consecutive naturals, for example, 11902 + ... + 18775.

It is an arithmetic number, because the mean of its divisors is an integer number (15093576).

Almost surely, 2^105436849 is an apocalyptic number.

It is an amenable number.

105436849 is a deficient number, since it is larger than the sum of its proper divisors (15311759).

105436849 is an equidigital number, since it uses as much as digits as its factorization.

105436849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31175.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 105436849 is about 10268.2446893323. The cubic root of 105436849 is about 472.4227530653.

The spelling of 105436849 in words is "one hundred five million, four hundred thirty-six thousand, eight hundred forty-nine".