305006 has 8 divisors (see below), whose sum is σ = 492744. Its totient is φ = 140760.

The previous prime is 304981. The next prime is 305017. The reversal of 305006 is 600503.

It is a happy number.

305006 is nontrivially palindromic in base 7.

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

It is a plaindrome in base 8.

It is a congruent number.

It is an unprimeable number.

305006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5840 + ... + 5891.

It is an arithmetic number, because the mean of its divisors is an integer number (61593).

2³⁰⁵⁰⁰⁶ is an apocalyptic number.

305006 is a deficient number, since it is larger than the sum of its proper divisors (187738).

305006 is a wasteful number, since it uses less digits than its factorization.

305006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11746.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 305006 is about 552.2734829774. The cubic root of 305006 is about 67.3135963675.

Adding to 305006 its reverse (600503), we get a palindrome (905509).

The spelling of 305006 in words is "three hundred five thousand, six".