664035 has 8 divisors (see below), whose sum is σ = 1062480. Its totient is φ = 354144.

The previous prime is 664019. The next prime is 664043. The reversal of 664035 is 530466.

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

It is not a de Polignac number, because 664035 - 2⁴ = 664019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 663996 and 664014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22120 + ... + 22149.

It is an arithmetic number, because the mean of its divisors is an integer number (132810).

2⁶⁶⁴⁰³⁵ is an apocalyptic number.

664035 is a deficient number, since it is larger than the sum of its proper divisors (398445).

664035 is a wasteful number, since it uses less digits than its factorization.

664035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44277.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 664035 is about 814.8834272459. The cubic root of 664035 is about 87.2429462583.

The spelling of 664035 in words is "six hundred sixty-four thousand, thirty-five".