106989944 has 8 divisors (see below), whose sum is σ = 200606160. Its totient is φ = 53494968.

The previous prime is 106989941. The next prime is 106989979. The reversal of 106989944 is 449989601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×106989944² = 22893696234246272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106989892 and 106989901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106989941) 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 as a sum of consecutive naturals, namely, 6686864 + ... + 6686879.

It is an arithmetic number, because the mean of its divisors is an integer number (25075770).

Almost surely, 2^106989944 is an apocalyptic number.

It is an amenable number.

106989944 is a deficient number, since it is larger than the sum of its proper divisors (93616216).

106989944 is a wasteful number, since it uses less digits than its factorization.

106989944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373749 (or 13373745 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 106989944 is about 10343.5943462609. The cubic root of 106989944 is about 474.7310669715.

The spelling of 106989944 in words is "one hundred six million, nine hundred eighty-nine thousand, nine hundred forty-four".