660793 has 4 divisors (see below), whose sum is σ = 755200. Its totient is φ = 566388.

The previous prime is 660791. The next prime is 660799. The reversal of 660793 is 397066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 397066 = 2 ⋅198533.

It is a cyclic number.

It is not a de Polignac number, because 660793 - 2¹ = 660791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660791) 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, 47193 + ... + 47206.

It is an arithmetic number, because the mean of its divisors is an integer number (188800).

2⁶⁶⁰⁷⁹³ is an apocalyptic number.

It is an amenable number.

660793 is a deficient number, since it is larger than the sum of its proper divisors (94407).

660793 is an equidigital number, since it uses as much as digits as its factorization.

660793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94406.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 660793 is about 812.8917517111. The cubic root of 660793 is about 87.1007332787.

The spelling of 660793 in words is "six hundred sixty thousand, seven hundred ninety-three".