109493 has 4 divisors (see below), whose sum is σ = 110208. Its totient is φ = 108780.

The previous prime is 109481. The next prime is 109507. The reversal of 109493 is 394901.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 109493 - 2¹² = 105397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109423) 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, 23 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (27552).

2¹⁰⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

109493 is a deficient number, since it is larger than the sum of its proper divisors (715).

109493 is an equidigital number, since it uses as much as digits as its factorization.

109493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 109493 is about 330.8972650235. The cubic root of 109493 is about 47.8404715505.

The spelling of 109493 in words is "one hundred nine thousand, four hundred ninety-three".