309134848 has 80 divisors (see below), whose sum is σ = 680581440. Its totient is φ = 139110400.

The previous prime is 309134831. The next prime is 309134857. The reversal of 309134848 is 848431903.

309134848 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 309134848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737583 + ... + 738001.

It is an arithmetic number, because the mean of its divisors is an integer number (8507268).

Almost surely, 2^309134848 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 309134848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340290720).

309134848 is an abundant number, since it is smaller than the sum of its proper divisors (371446592).

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

309134848 is a wasteful number, since it uses less digits than its factorization.

309134848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 309134848 is about 17582.2310302191. The cubic root of 309134848 is about 676.1597605668.

The spelling of 309134848 in words is "three hundred nine million, one hundred thirty-four thousand, eight hundred forty-eight".