109667 has 4 divisors (see below), whose sum is σ = 116136. Its totient is φ = 103200.

The previous prime is 109663. The next prime is 109673. The reversal of 109667 is 766901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109667 - 2² = 109663 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (109661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209 + ... + 3242.

It is an arithmetic number, because the mean of its divisors is an integer number (29034).

2¹⁰⁹⁶⁶⁷ is an apocalyptic number.

109667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

109667 is a deficient number, since it is larger than the sum of its proper divisors (6469).

109667 is an equidigital number, since it uses as much as digits as its factorization.

109667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 109667 is about 331.1600821355. The cubic root of 109667 is about 47.8657999169.

The spelling of 109667 in words is "one hundred nine thousand, six hundred sixty-seven".