664058 has 8 divisors (see below), whose sum is σ = 999552. Its totient is φ = 330876.

The previous prime is 664043. The next prime is 664061. The reversal of 664058 is 850466.

664058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 664058.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (124944).

2⁶⁶⁴⁰⁵⁸ is an apocalyptic number.

664058 is a deficient number, since it is larger than the sum of its proper divisors (335494).

664058 is a wasteful number, since it uses less digits than its factorization.

664058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 664058 is about 814.8975395717. The cubic root of 664058 is about 87.2439535168.

The spelling of 664058 in words is "six hundred sixty-four thousand, fifty-eight".