308741328 has 240 divisors, whose sum is σ = 1064237440. Its totient is φ = 83939328.

The previous prime is 308741327. The next prime is 308741341. The reversal of 308741328 is 823147803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 308741292 and 308741301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308741327) 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 47 ways as a sum of consecutive naturals, for example, 1599600 + ... + 1599792.

Almost surely, 2^308741328 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 308741328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532118720).

308741328 is an abundant number, since it is smaller than the sum of its proper divisors (755496112).

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

308741328 is a wasteful number, since it uses less digits than its factorization.

308741328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 308741328 is about 17571.0366228063. The cubic root of 308741328 is about 675.8727279275.

The spelling of 308741328 in words is "three hundred eight million, seven hundred forty-one thousand, three hundred twenty-eight".