305000196 has 72 divisors (see below), whose sum is σ = 780654336. Its totient is φ = 92567040.

The previous prime is 305000191. The next prime is 305000197. The reversal of 305000196 is 691000503.

It is not an unprimeable number, because it can be changed into a prime (305000191) 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, 106090 + ... + 108926.

Almost surely, 2^305000196 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 305000196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390327168).

305000196 is an abundant number, since it is smaller than the sum of its proper divisors (475654140).

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

305000196 is a wasteful number, since it uses less digits than its factorization.

305000196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2890 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 305000196 is about 17464.2548080358. The cubic root of 305000196 is about 673.1316939164.

Adding to 305000196 its reverse (691000503), we get a palindrome (996000699).

The spelling of 305000196 in words is "three hundred five million, one hundred ninety-six", and thus it is an aban number.