656006 has 16 divisors (see below), whose sum is σ = 1106784. Its totient is φ = 289344.

The previous prime is 655987. The next prime is 656023. The reversal of 656006 is 600656.

It is a happy number.

656006 is nontrivially palindromic in base 12.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 50 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (69174).

2⁶⁵⁶⁰⁰⁶ is an apocalyptic number.

656006 is a deficient number, since it is larger than the sum of its proper divisors (450778).

656006 is a wasteful number, since it uses less digits than its factorization.

656006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 656006 is about 809.9419732302. The cubic root of 656006 is about 86.8898946220.

The spelling of 656006 in words is "six hundred fifty-six thousand, six".