109097856 has 192 divisors, whose sum is σ = 365339520. Its totient is φ = 30606336.

The previous prime is 109097851. The next prime is 109097861. The reversal of 109097856 is 658790901.

It is an interprime number because it is at equal distance from previous prime (109097851) and next prime (109097861).

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109097851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669231 + ... + 669393.

It is an arithmetic number, because the mean of its divisors is an integer number (1902810).

Almost surely, 2^109097856 is an apocalyptic number.

109097856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109097856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182669760).

109097856 is an abundant number, since it is smaller than the sum of its proper divisors (256241664).

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

109097856 is a wasteful number, since it uses less digits than its factorization.

109097856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 109097856 is about 10444.9919100017. The cubic root of 109097856 is about 477.8285245939.

The spelling of 109097856 in words is "one hundred nine million, ninety-seven thousand, eight hundred fifty-six".