105817406 has 16 divisors (see below), whose sum is σ = 161427168. Its totient is φ = 52012800.

The previous prime is 105817399. The next prime is 105817409. The reversal of 105817406 is 604718501.

It is a happy number.

It is a super-2 number, since 2×105817406² = 22394646825137672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105817409) 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, 60626 + ... + 62346.

It is an arithmetic number, because the mean of its divisors is an integer number (10089198).

Almost surely, 2^105817406 is an apocalyptic number.

105817406 is a deficient number, since it is larger than the sum of its proper divisors (55609762).

105817406 is a wasteful number, since it uses less digits than its factorization.

105817406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 105817406 is about 10286.7587703805. The cubic root of 105817406 is about 472.9904480726.

The spelling of 105817406 in words is "one hundred five million, eight hundred seventeen thousand, four hundred six".