993005 has 8 divisors (see below), whose sum is σ = 1283352. Its totient is φ = 733248.

The previous prime is 993001. The next prime is 993011. The reversal of 993005 is 500399.

It can be written as a sum of positive squares in 4 ways, for example, as 14884 + 978121 = 122^2 + 989^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 993005 - 2² = 993001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7574 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (160419).

2⁹⁹³⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

993005 is a deficient number, since it is larger than the sum of its proper divisors (290347).

993005 is a wasteful number, since it uses less digits than its factorization.

993005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 993005 is about 996.4963622613. The cubic root of 993005 is about 99.7662875437.

The spelling of 993005 in words is "nine hundred ninety-three thousand, five".