105638244 has 24 divisors (see below), whose sum is σ = 246869280. Its totient is φ = 35158464.

The previous prime is 105638243. The next prime is 105638279. The reversal of 105638244 is 442836501.

It is a super-2 number, since 2×105638244² = 22318877190807072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105638243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (10286220).

Almost surely, 2^105638244 is an apocalyptic number.

It is an amenable number.

105638244 is an abundant number, since it is smaller than the sum of its proper divisors (141231036).

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

105638244 is a wasteful number, since it uses less digits than its factorization.

105638244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579 (or 13577 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 105638244 is about 10278.0467015868. The cubic root of 105638244 is about 472.7233534326.

The spelling of 105638244 in words is "one hundred five million, six hundred thirty-eight thousand, two hundred forty-four".