308223846 has 64 divisors (see below), whose sum is σ = 785203200. Its totient is φ = 87792768.

The previous prime is 308223829. The next prime is 308223857. The reversal of 308223846 is 648322803.

308223846 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 308223846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143710 + ... + 145838.

It is an arithmetic number, because the mean of its divisors is an integer number (12268800).

Almost surely, 2^308223846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308223846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392601600).

308223846 is an abundant number, since it is smaller than the sum of its proper divisors (476979354).

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

308223846 is a wasteful number, since it uses less digits than its factorization.

308223846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 308223846 is about 17556.3050212737. The cubic root of 308223846 is about 675.4949061847.

The spelling of 308223846 in words is "three hundred eight million, two hundred twenty-three thousand, eight hundred forty-six".