105842838 has 8 divisors (see below), whose sum is σ = 211685688. Its totient is φ = 35280944.

The previous prime is 105842819. The next prime is 105842839. The reversal of 105842838 is 838248501.

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

105842838 is an admirable number.

It is a super-2 number, since 2×105842838² = 22405412711788488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105842796 and 105842805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105842839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820231 + ... + 8820242.

It is an arithmetic number, because the mean of its divisors is an integer number (26460711).

Almost surely, 2^105842838 is an apocalyptic number.

105842838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

105842838 is a wasteful number, since it uses less digits than its factorization.

105842838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640478.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 105842838 is about 10287.9948483657. The cubic root of 105842838 is about 473.0283376473.

The spelling of 105842838 in words is "one hundred five million, eight hundred forty-two thousand, eight hundred thirty-eight".