306836 has 12 divisors (see below), whose sum is σ = 544320. Its totient is φ = 151320.

The previous prime is 306829. The next prime is 306847. The reversal of 306836 is 638603.

306836 = 19² + 20² + ... + 97².

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 306836.

It is an unprimeable number.

306836 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 3 ways as a sum of consecutive naturals, for example, 170 + ... + 801.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2³⁰⁶⁸³⁶ is an apocalyptic number.

It is an amenable number.

306836 is a deficient number, since it is larger than the sum of its proper divisors (237484).

306836 is a wasteful number, since it uses less digits than its factorization.

306836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 306836 is about 553.9277931283. The cubic root of 306836 is about 67.4479525620.

The spelling of 306836 in words is "three hundred six thousand, eight hundred thirty-six".