664083 has 24 divisors (see below), whose sum is σ = 1118208. Its totient is φ = 371952.

The previous prime is 664067. The next prime is 664091. The reversal of 664083 is 380466.

It is not a de Polignac number, because 664083 - 2⁴ = 664067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664043) 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 23 ways as a sum of consecutive naturals, for example, 5166 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (46592).

2⁶⁶⁴⁰⁸³ is an apocalyptic number.

664083 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

664083 is a deficient number, since it is larger than the sum of its proper divisors (454125).

664083 is a wasteful number, since it uses less digits than its factorization.

664083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 664083 is about 814.9128787791. The cubic root of 664083 is about 87.2450483365.

The spelling of 664083 in words is "six hundred sixty-four thousand, eighty-three".