993673 has 4 divisors (see below), whose sum is σ = 995908. Its totient is φ = 991440.

The previous prime is 993647. The next prime is 993679. The reversal of 993673 is 376399.

993673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 283024 + 710649 = 532^2 + 843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993679) 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, 198 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (248977).

2⁹⁹³⁶⁷³ is an apocalyptic number.

It is an amenable number.

993673 is a deficient number, since it is larger than the sum of its proper divisors (2235).

993673 is a wasteful number, since it uses less digits than its factorization.

993673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its digits is 30618, while the sum is 37.

The square root of 993673 is about 996.8314802413. The cubic root of 993673 is about 99.7886536418.

The spelling of 993673 in words is "nine hundred ninety-three thousand, six hundred seventy-three".