665093 has 8 divisors (see below), whose sum is σ = 781536. Its totient is φ = 558000.

The previous prime is 665089. The next prime is 665111. The reversal of 665093 is 390566.

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 665093 - 2² = 665089 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 (665053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (97692).

2⁶⁶⁵⁰⁹³ is an apocalyptic number.

It is an amenable number.

665093 is a deficient number, since it is larger than the sum of its proper divisors (116443).

665093 is a wasteful number, since it uses less digits than its factorization.

665093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 665093 is about 815.5323414801. The cubic root of 665093 is about 87.2892560957.

The spelling of 665093 in words is "six hundred sixty-five thousand, ninety-three".