306670 has 32 divisors (see below), whose sum is σ = 681408. Its totient is φ = 96768.

The previous prime is 306661. The next prime is 306689. The reversal of 306670 is 76603.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

306670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742 + ... + 1078.

It is an arithmetic number, because the mean of its divisors is an integer number (21294).

2³⁰⁶⁶⁷⁰ is an apocalyptic number.

306670 is an abundant number, since it is smaller than the sum of its proper divisors (374738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306670 is a wasteful number, since it uses less digits than its factorization.

306670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 306670 is about 553.7779338327. Note that the first 3 decimals coincide. The cubic root of 306670 is about 67.4357871274.

It can be divided in two parts, 3066 and 70, that added together give a square (3136 = 56²).

The spelling of 306670 in words is "three hundred six thousand, six hundred seventy".