306804 has 24 divisors (see below), whose sum is σ = 736288. Its totient is φ = 99360.

The previous prime is 306781. The next prime is 306809. The reversal of 306804 is 408603.

306804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×306804⁴ (a number of 23 digits) contains 4444 as substring.

It is a nialpdrome in base 13.

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 306804.

It is not an unprimeable number, because it can be changed into a prime (306809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99 + ... + 789.

2³⁰⁶⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

306804 is an abundant number, since it is smaller than the sum of its proper divisors (429484).

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

306804 is a wasteful number, since it uses less digits than its factorization.

306804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 306804 is about 553.8989077440. The cubic root of 306804 is about 67.4456077594.

The spelling of 306804 in words is "three hundred six thousand, eight hundred four".