105821344 has 24 divisors (see below), whose sum is σ = 217395360. Its totient is φ = 50609856.

The previous prime is 105821333. The next prime is 105821351. The reversal of 105821344 is 443128501.

It is a super-2 number, since 2×105821344² = 22396313691932672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71154 + ... + 72625.

It is an arithmetic number, because the mean of its divisors is an integer number (9058140).

Almost surely, 2^105821344 is an apocalyptic number.

It is an amenable number.

105821344 is an abundant number, since it is smaller than the sum of its proper divisors (111574016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105821344 is a wasteful number, since it uses less digits than its factorization.

105821344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143812 (or 143804 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 105821344 is about 10286.9501797180. The cubic root of 105821344 is about 472.9963154542.

Adding to 105821344 its reverse (443128501), we get a palindrome (548949845).

The spelling of 105821344 in words is "one hundred five million, eight hundred twenty-one thousand, three hundred forty-four".