109861344 has 144 divisors (see below), whose sum is σ = 348500880. Its totient is φ = 32624640.

The previous prime is 109861331. The next prime is 109861351. The reversal of 109861344 is 443168901.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 109861299 and 109861308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92434 + ... + 93614.

It is an arithmetic number, because the mean of its divisors is an integer number (2420145).

Almost surely, 2^109861344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109861344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174250440).

109861344 is an abundant number, since it is smaller than the sum of its proper divisors (238639536).

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

109861344 is a wasteful number, since it uses less digits than its factorization.

109861344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 109861344 is about 10481.4762319055. The cubic root of 109861344 is about 478.9405801151.

The spelling of 109861344 in words is "one hundred nine million, eight hundred sixty-one thousand, three hundred forty-four".