109743856 has 40 divisors (see below), whose sum is σ = 225235584. Its totient is φ = 51691200.

The previous prime is 109743841. The next prime is 109743871. The reversal of 109743856 is 658347901.

It is an interprime number because it is at equal distance from previous prime (109743841) and next prime (109743871).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22431 + ... + 26881.

Almost surely, 2^109743856 is an apocalyptic number.

109743856 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 109743856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112617792).

109743856 is an abundant number, since it is smaller than the sum of its proper divisors (115491728).

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

109743856 is a wasteful number, since it uses less digits than its factorization.

109743856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4543 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 109743856 is about 10475.8701786534. The cubic root of 109743856 is about 478.7697895548.

The spelling of 109743856 in words is "one hundred nine million, seven hundred forty-three thousand, eight hundred fifty-six".