996993 has 6 divisors (see below), whose sum is σ = 1440114. Its totient is φ = 664656.

The previous prime is 996979. The next prime is 997001. The reversal of 996993 is 399699.

996993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 651249 + 345744 = 807^2 + 588^2 .

It is not a de Polignac number, because 996993 - 2¹⁸ = 734849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55380 + ... + 55397.

It is an arithmetic number, because the mean of its divisors is an integer number (240019).

2⁹⁹⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

996993 is a deficient number, since it is larger than the sum of its proper divisors (443121).

996993 is a wasteful number, since it uses less digits than its factorization.

996993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110783 (or 110780 counting only the distinct ones).

The product of its digits is 118098, while the sum is 45.

The square root of 996993 is about 998.4953680413. The cubic root of 996993 is about 99.8996660313.

The spelling of 996993 in words is "nine hundred ninety-six thousand, nine hundred ninety-three".