308842368 has 64 divisors (see below), whose sum is σ = 825282000. Its totient is φ = 102330368.

The previous prime is 308842361. The next prime is 308842399. The reversal of 308842368 is 863248803.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308842361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64108 + ... + 68756.

Almost surely, 2^308842368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308842368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412641000).

308842368 is an abundant number, since it is smaller than the sum of its proper divisors (516439632).

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

308842368 is a wasteful number, since it uses less digits than its factorization.

308842368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 308842368 is about 17573.9115736935. The cubic root of 308842368 is about 675.9464495470.

The spelling of 308842368 in words is "three hundred eight million, eight hundred forty-two thousand, three hundred sixty-eight".