109218846 has 64 divisors (see below), whose sum is σ = 253933056. Its totient is φ = 30950400.

The previous prime is 109218841. The next prime is 109218847. The reversal of 109218846 is 648812901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109218841) 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 31 ways as a sum of consecutive naturals, for example, 348786 + ... + 349098.

It is an arithmetic number, because the mean of its divisors is an integer number (3967704).

Almost surely, 2^109218846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109218846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126966528).

109218846 is an abundant number, since it is smaller than the sum of its proper divisors (144714210).

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

109218846 is a wasteful number, since it uses less digits than its factorization.

109218846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 109218846 is about 10450.7820759979. The cubic root of 109218846 is about 478.0050973121.

The spelling of 109218846 in words is "one hundred nine million, two hundred eighteen thousand, eight hundred forty-six".