308708836 has 12 divisors (see below), whose sum is σ = 544365360. Its totient is φ = 153175880.

The previous prime is 308708833. The next prime is 308708839. The reversal of 308708836 is 638807803.

308708836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (308708833) and next prime (308708839).

It is a super-2 number, since 2×308708836² = 190602290848949792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 308708792 and 308708801.

It is not an unprimeable number, because it can be changed into a prime (308708833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294046 + ... + 295093.

It is an arithmetic number, because the mean of its divisors is an integer number (45363780).

Almost surely, 2^308708836 is an apocalyptic number.

It is an amenable number.

308708836 is a deficient number, since it is larger than the sum of its proper divisors (235656524).

308708836 is a wasteful number, since it uses less digits than its factorization.

308708836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589274 (or 589272 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 308708836 is about 17570.1120087494. The cubic root of 308708836 is about 675.8490174347.

The spelling of 308708836 in words is "three hundred eight million, seven hundred eight thousand, eight hundred thirty-six".