306712 has 16 divisors (see below), whose sum is σ = 657360. Its totient is φ = 131424.

The previous prime is 306707. The next prime is 306727. The reversal of 306712 is 217603.

306712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 306712.

It is a congruent number.

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, 2683 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (41085).

2³⁰⁶⁷¹² is an apocalyptic number.

It is an amenable number.

306712 is an abundant number, since it is smaller than the sum of its proper divisors (350648).

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

306712 is a wasteful number, since it uses less digits than its factorization.

306712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 306712 is about 553.8158538720. The cubic root of 306712 is about 67.4388655437.

The spelling of 306712 in words is "three hundred six thousand, seven hundred twelve".