109693 has 4 divisors (see below), whose sum is σ = 112288. Its totient is φ = 107100.

The previous prime is 109673. The next prime is 109717. The reversal of 109693 is 396901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396901 = 73 ⋅5437.

It is a cyclic number.

It is not a de Polignac number, because 109693 - 2⁵ = 109661 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109663) 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 in 3 ways as a sum of consecutive naturals, for example, 1233 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (28072).

2¹⁰⁹⁶⁹³ is an apocalyptic number.

It is an amenable number.

109693 is a deficient number, since it is larger than the sum of its proper divisors (2595).

109693 is an equidigital number, since it uses as much as digits as its factorization.

109693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 109693 is about 331.1993357481. The cubic root of 109693 is about 47.8695823141.

The spelling of 109693 in words is "one hundred nine thousand, six hundred ninety-three".