306662 has 8 divisors (see below), whose sum is σ = 464616. Its totient is φ = 151792.

The previous prime is 306661. The next prime is 306689. The reversal of 306662 is 266603.

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

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306661) by changing a digit.

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, 503 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (58077).

2³⁰⁶⁶⁶² is an apocalyptic number.

306662 is a deficient number, since it is larger than the sum of its proper divisors (157954).

306662 is a wasteful number, since it uses less digits than its factorization.

306662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 306662 is about 553.7707106737. The cubic root of 306662 is about 67.4352007305.

The spelling of 306662 in words is "three hundred six thousand, six hundred sixty-two".