105049806 has 16 divisors (see below), whose sum is σ = 211612800. Its totient is φ = 34764408.

The previous prime is 105049787. The next prime is 105049807. The reversal of 105049806 is 608940501.

It is a super-2 number, since 2×105049806² = 22070923481275272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105049807) 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, 62146 + ... + 63813.

It is an arithmetic number, because the mean of its divisors is an integer number (13225800).

Almost surely, 2^105049806 is an apocalyptic number.

105049806 is an abundant number, since it is smaller than the sum of its proper divisors (106562994).

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

105049806 is a wasteful number, since it uses less digits than its factorization.

105049806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126103.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 105049806 is about 10249.3807617826. The cubic root of 105049806 is about 471.8439797219.

The spelling of 105049806 in words is "one hundred five million, forty-nine thousand, eight hundred six".