105861386 has 8 divisors (see below), whose sum is σ = 158851044. Its totient is φ = 52911040.

The previous prime is 105861383. The next prime is 105861389. The reversal of 105861386 is 683168501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105861383) and next prime (105861389).

It can be written as a sum of positive squares in 2 ways, for example, as 83156161 + 22705225 = 9119^2 + 4765^2 .

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

It is a super-2 number, since 2×105861386² = 22413266091681992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105861383) 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, 1775 + ... + 14658.

Almost surely, 2^105861386 is an apocalyptic number.

105861386 is a deficient number, since it is larger than the sum of its proper divisors (52989658).

105861386 is a wasteful number, since it uses less digits than its factorization.

105861386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 105861386 is about 10288.8962478975. The cubic root of 105861386 is about 473.0559673460.

The spelling of 105861386 in words is "one hundred five million, eight hundred sixty-one thousand, three hundred eighty-six".