665094 has 8 divisors (see below), whose sum is σ = 1330200. Its totient is φ = 221696.

The previous prime is 665089. The next prime is 665111. The reversal of 665094 is 490566.

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

665094 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55419 + ... + 55430.

It is an arithmetic number, because the mean of its divisors is an integer number (166275).

2⁶⁶⁵⁰⁹⁴ is an apocalyptic number.

665094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665094 is a wasteful number, since it uses less digits than its factorization.

665094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110854.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 665094 is about 815.5329545763. The cubic root of 665094 is about 87.2892998436.

The spelling of 665094 in words is "six hundred sixty-five thousand, ninety-four".