109593 has 24 divisors (see below), whose sum is σ = 183456. Its totient is φ = 64800.

The previous prime is 109589. The next prime is 109597. The reversal of 109593 is 395901.

It is an interprime number because it is at equal distance from previous prime (109589) and next prime (109597).

It is not a de Polignac number, because 109593 - 2² = 109589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2653 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (7644).

2¹⁰⁹⁵⁹³ is an apocalyptic number.

It is an amenable number.

109593 is a deficient number, since it is larger than the sum of its proper divisors (73863).

109593 is an equidigital number, since it uses as much as digits as its factorization.

109593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 109593 is about 331.0483348395. The cubic root of 109593 is about 47.8550313594.

The spelling of 109593 in words is "one hundred nine thousand, five hundred ninety-three".