993601 has 8 divisors (see below), whose sum is σ = 1162304. Its totient is φ = 831600.

The previous prime is 993589. The next prime is 993611. The reversal of 993601 is 106399.

It is a happy number.

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

It is not a de Polignac number, because 993601 - 2¹⁵ = 960833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 993601.

It is not an unprimeable number, because it can be changed into a prime (993611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (145288).

2⁹⁹³⁶⁰¹ is an apocalyptic number.

993601 is the 576-th hex number.

It is an amenable number.

993601 is a deficient number, since it is larger than the sum of its proper divisors (168703).

993601 is a wasteful number, since it uses less digits than its factorization.

993601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 993601 is about 996.7953651578. The cubic root of 993601 is about 99.7862434068.

The spelling of 993601 in words is "nine hundred ninety-three thousand, six hundred one".