103693 has 4 divisors (see below), whose sum is σ = 104860. Its totient is φ = 102528.

The previous prime is 103687. The next prime is 103699. The reversal of 103693 is 396301.

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

It is an interprime number because it is at equal distance from previous prime (103687) and next prime (103699).

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 56169 = 218^2 + 237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103699) 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, 438 + ... + 631.

It is an arithmetic number, because the mean of its divisors is an integer number (26215).

2¹⁰³⁶⁹³ is an apocalyptic number.

It is an amenable number.

103693 is a deficient number, since it is larger than the sum of its proper divisors (1167).

103693 is an equidigital number, since it uses as much as digits as its factorization.

103693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 103693 is about 322.0139748520. The cubic root of 103693 is about 46.9803750873.

Adding to 103693 its reverse (396301), we get a palindrome (499994).

The spelling of 103693 in words is "one hundred three thousand, six hundred ninety-three".