105391838 has 8 divisors (see below), whose sum is σ = 158171832. Its totient is φ = 52667896.

The previous prime is 105391817. The next prime is 105391843. The reversal of 105391838 is 838193501.

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

It is a super-2 number, since 2×105391838² = 22214879034036488, 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8945 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (19771479).

Almost surely, 2^105391838 is an apocalyptic number.

105391838 is a deficient number, since it is larger than the sum of its proper divisors (52779994).

105391838 is a wasteful number, since it uses less digits than its factorization.

105391838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 105391838 is about 10266.0526980919. The cubic root of 105391838 is about 472.3555177254.

The spelling of 105391838 in words is "one hundred five million, three hundred ninety-one thousand, eight hundred thirty-eight".