305799912 has 96 divisors (see below), whose sum is σ = 911252160. Its totient is φ = 92637600.

The previous prime is 305799887. The next prime is 305799913. The reversal of 305799912 is 219997503.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (305799913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94237 + ... + 97427.

It is an arithmetic number, because the mean of its divisors is an integer number (9492210).

Almost surely, 2^305799912 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 305799912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455626080).

305799912 is an abundant number, since it is smaller than the sum of its proper divisors (605452248).

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

305799912 is a wasteful number, since it uses less digits than its factorization.

305799912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 305799912 is about 17487.1356145025. The cubic root of 305799912 is about 673.7195016043.

The spelling of 305799912 in words is "three hundred five million, seven hundred ninety-nine thousand, nine hundred twelve".