993606 has 8 divisors (see below), whose sum is σ = 1987224. Its totient is φ = 331200.

The previous prime is 993589. The next prime is 993611. The reversal of 993606 is 606399.

993606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

993606 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 993606.

It is an unprimeable number.

993606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82795 + ... + 82806.

It is an arithmetic number, because the mean of its divisors is an integer number (248403).

2⁹⁹³⁶⁰⁶ is an apocalyptic number.

993606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993606 is a wasteful number, since it uses less digits than its factorization.

993606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165606.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 993606 is about 996.7978731920. The cubic root of 993606 is about 99.7864107880.

The spelling of 993606 in words is "nine hundred ninety-three thousand, six hundred six".