305349744 has 80 divisors (see below), whose sum is σ = 911727360. Its totient is φ = 86254080.

The previous prime is 305349727. The next prime is 305349749. The reversal of 305349744 is 447943503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305349749) 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 15 ways as a sum of consecutive naturals, for example, 24799 + ... + 35009.

It is an arithmetic number, because the mean of its divisors is an integer number (11396592).

Almost surely, 2^305349744 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 305349744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455863680).

305349744 is an abundant number, since it is smaller than the sum of its proper divisors (606377616).

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

305349744 is a wasteful number, since it uses less digits than its factorization.

305349744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318 (or 10312 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 305349744 is about 17474.2594692880. The cubic root of 305349744 is about 673.3887451266.

The spelling of 305349744 in words is "three hundred five million, three hundred forty-nine thousand, seven hundred forty-four".