10306218 has 32 divisors (see below), whose sum is σ = 22522752. Its totient is φ = 3124800.

The previous prime is 10306217. The next prime is 10306243. The reversal of 10306218 is 81260301.

It is a junction number, because it is equal to n+sod(n) for n = 10306194 and 10306203.

It is not an unprimeable number, because it can be changed into a prime (10306217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4608 + ... + 6468.

It is an arithmetic number, because the mean of its divisors is an integer number (703836).

Almost surely, 2^10306218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10306218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11261376).

10306218 is an abundant number, since it is smaller than the sum of its proper divisors (12216534).

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

10306218 is a wasteful number, since it uses less digits than its factorization.

10306218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10306218 is about 3210.3298895908. The cubic root of 10306218 is about 217.6204854966.

Adding to 10306218 its reverse (81260301), we get a palindrome (91566519).

The spelling of 10306218 in words is "ten million, three hundred six thousand, two hundred eighteen".