306872 has 16 divisors (see below), whose sum is σ = 583200. Its totient is φ = 151360.

The previous prime is 306871. The next prime is 306877. The reversal of 306872 is 278603.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306872.

It is not an unprimeable number, because it can be changed into a prime (306871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2³⁰⁶⁸⁷² is an apocalyptic number.

It is an amenable number.

306872 is a deficient number, since it is larger than the sum of its proper divisors (276328).

306872 is a wasteful number, since it uses less digits than its factorization.

306872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 306872 is about 553.9602873853. The cubic root of 306872 is about 67.4505902700.

The spelling of 306872 in words is "three hundred six thousand, eight hundred seventy-two".