10186218 has 36 divisors (see below), whose sum is σ = 25675650. Its totient is φ = 2910096.

The previous prime is 10186199. The next prime is 10186219. The reversal of 10186218 is 81268101.

It can be written as a sum of positive squares in only one way, i.e., 6036849 + 4149369 = 2457^2 + 2037^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10186191 and 10186200.

It is not an unprimeable number, because it can be changed into a prime (10186219) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4893 + ... + 6656.

Almost surely, 2^10186218 is an apocalyptic number.

10186218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10186218 is an abundant number, since it is smaller than the sum of its proper divisors (15489432).

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

10186218 is a wasteful number, since it uses less digits than its factorization.

10186218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571 (or 11561 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 10186218 is about 3191.5854994031. The cubic root of 10186218 is about 216.7725678221.

It can be divided in two parts, 10186 and 218, that added together give a square (10404 = 102²).

The spelling of 10186218 in words is "ten million, one hundred eighty-six thousand, two hundred eighteen".