105891238 has 8 divisors (see below), whose sum is σ = 164314080. Its totient is φ = 51119880.

The previous prime is 105891229. The next prime is 105891259. The reversal of 105891238 is 832198501.

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

It is a super-2 number, since 2×105891238² = 22425908570345288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105891197 and 105891206.

It is a congruent number.

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, 912798 + ... + 912913.

It is an arithmetic number, because the mean of its divisors is an integer number (20539260).

Almost surely, 2^105891238 is an apocalyptic number.

105891238 is a deficient number, since it is larger than the sum of its proper divisors (58422842).

105891238 is a wasteful number, since it uses less digits than its factorization.

105891238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825742.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 105891238 is about 10290.3468357485. The cubic root of 105891238 is about 473.1004290711.

The spelling of 105891238 in words is "one hundred five million, eight hundred ninety-one thousand, two hundred thirty-eight".