109646 has 8 divisors (see below), whose sum is σ = 166944. Its totient is φ = 54000.

The previous prime is 109639. The next prime is 109661. The reversal of 109646 is 646901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (20868).

2¹⁰⁹⁶⁴⁶ is an apocalyptic number.

109646 is a deficient number, since it is larger than the sum of its proper divisors (57298).

109646 is an equidigital number, since it uses as much as digits as its factorization.

109646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 109646 is about 331.1283738975. The cubic root of 109646 is about 47.8627444673.

The spelling of 109646 in words is "one hundred nine thousand, six hundred forty-six".