93806 has 16 divisors (see below), whose sum is σ = 155520. Its totient is φ = 42240.

The previous prime is 93787. The next prime is 93809. The reversal of 93806 is 60839.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93809) by changing a digit.

93806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁹³⁸⁰⁶ is an apocalyptic number.

93806 is a deficient number, since it is larger than the sum of its proper divisors (61714).

93806 is a wasteful number, since it uses less digits than its factorization.

93806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 93806 is about 306.2776518129. The cubic root of 93806 is about 45.4370582429.

It can be divided in two parts, 9380 and 6, that multiplied together give a triangular number (56280 = T₃₃₅).

The spelling of 93806 in words is "ninety-three thousand, eight hundred six".