105017638 has 8 divisors (see below), whose sum is σ = 171847080. Its totient is φ = 47735280.

The previous prime is 105017629. The next prime is 105017663. The reversal of 105017638 is 836710501.

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

It is a super-2 number, since 2×105017638² = 22057408582198088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2386743 + ... + 2386786.

It is an arithmetic number, because the mean of its divisors is an integer number (21480885).

Almost surely, 2^105017638 is an apocalyptic number.

105017638 is a deficient number, since it is larger than the sum of its proper divisors (66829442).

105017638 is a wasteful number, since it uses less digits than its factorization.

105017638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773542.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 105017638 is about 10247.8113760939. The cubic root of 105017638 is about 471.7958126436.

The spelling of 105017638 in words is "one hundred five million, seventeen thousand, six hundred thirty-eight".