664094 has 8 divisors (see below), whose sum is σ = 1001280. Its totient is φ = 330336.

The previous prime is 664091. The next prime is 664099. The reversal of 664094 is 490466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664091) 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, 299 + ... + 1190.

It is an arithmetic number, because the mean of its divisors is an integer number (125160).

2⁶⁶⁴⁰⁹⁴ is an apocalyptic number.

664094 is a deficient number, since it is larger than the sum of its proper divisors (337186).

664094 is a wasteful number, since it uses less digits than its factorization.

664094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 664094 is about 814.9196279389. The cubic root of 664094 is about 87.2455300485.

The spelling of 664094 in words is "six hundred sixty-four thousand, ninety-four".