109767944 has 64 divisors (see below), whose sum is σ = 243432000. Its totient is φ = 45745920.

The previous prime is 109767941. The next prime is 109767953. The reversal of 109767944 is 449767901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109767941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261767 + ... + 262185.

It is an arithmetic number, because the mean of its divisors is an integer number (3803625).

Almost surely, 2^109767944 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 109767944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121716000).

109767944 is an abundant number, since it is smaller than the sum of its proper divisors (133664056).

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

109767944 is a wasteful number, since it uses less digits than its factorization.

109767944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 109767944 is about 10477.0198052691. The cubic root of 109767944 is about 478.8048158528.

The spelling of 109767944 in words is "one hundred nine million, seven hundred sixty-seven thousand, nine hundred forty-four".